Year	MBH	NGDC	diff
1400	NA	NA	NA
1401	NA	NA	NA
1402	NA	NA	NA
1403	NA	NA	NA
1404	NA	NA	NA
1405	NA	NA	NA
1406	NA	NA	NA
1407	NA	NA	NA
1408	NA	NA	NA
1409	NA	NA	NA
1410	NA	NA	NA
1411	NA	NA	NA
1412	NA	NA	NA
1413	NA	NA	NA
1414	NA	NA	NA
1415	NA	NA	NA
1416	NA	NA	NA
1417	NA	NA	NA
1418	NA	NA	NA
1419	NA	NA	NA
1420	NA	NA	NA
1421	NA	NA	NA
1422	NA	NA	NA
1423	NA	NA	NA
1424	NA	NA	NA
1425	NA	NA	NA
1426	NA	NA	NA
1427	NA	NA	NA
1428	NA	NA	NA
1429	NA	NA	NA
1430	NA	NA	NA
1431	NA	NA	NA
1432	NA	NA	NA
1433	NA	NA	NA
1434	NA	NA	NA
1435	NA	NA	NA
1436	NA	NA	NA
1437	NA	NA	NA
1438	NA	NA	NA
1439	NA	NA	NA
1440	NA	NA	NA
1441	NA	NA	NA
1442	NA	NA	NA
1443	NA	NA	NA
1444	NA	NA	NA
1445	NA	NA	NA
1446	NA	NA	NA
1447	NA	NA	NA
1448	NA	NA	NA
1449	NA	NA	NA
1450	NA	NA	NA
1451	NA	NA	NA
1452	NA	NA	NA
1453	NA	NA	NA
1454	NA	NA	NA
1455	NA	NA	NA
1456	NA	NA	NA
1457	NA	NA	NA
1458	NA	NA	NA
1459	NA	NA	NA
1460	NA	NA	NA
1461	NA	NA	NA
1462	NA	NA	NA
1463	NA	NA	NA
1464	NA	NA	NA
1465	NA	NA	NA
1466	NA	NA	NA
1467	NA	NA	NA
1468	NA	NA	NA
1469	NA	NA	NA
1470	NA	NA	NA
1471	NA	NA	NA
1472	NA	NA	NA
1473	NA	NA	NA
1474	NA	NA	NA
1475	NA	NA	NA
1476	NA	NA	NA
1477	NA	NA	NA
1478	NA	NA	NA
1479	NA	NA	NA
1480	NA	NA	NA
1481	NA	NA	NA
1482	NA	NA	NA
1483	NA	NA	NA
1484	NA	NA	NA
1485	NA	NA	NA
1486	NA	NA	NA
1487	NA	NA	NA
1488	NA	NA	NA
1489	NA	NA	NA
1490	NA	NA	NA
1491	NA	NA	NA
1492	NA	NA	NA
1493	NA	NA	NA
1494	NA	NA	NA
1495	NA	NA	NA
1496	NA	NA	NA
1497	NA	NA	NA
1498	NA	NA	NA
1499	NA	NA	NA
1500	NA	NA	NA
1501	NA	NA	NA
1502	NA	NA	NA
1503	NA	NA	NA
1504	NA	NA	NA
1505	NA	NA	NA
1506	NA	NA	NA
1507	NA	NA	NA
1508	NA	NA	NA
1509	NA	NA	NA
1510	NA	NA	NA
1511	NA	NA	NA
1512	NA	NA	NA
1513	NA	NA	NA
1514	NA	NA	NA
1515	NA	NA	NA
1516	NA	NA	NA
1517	NA	NA	NA
1518	NA	NA	NA
1519	NA	NA	NA
1520	NA	NA	NA
1521	NA	NA	NA
1522	NA	NA	NA
1523	NA	NA	NA
1524	NA	NA	NA
1525	NA	NA	NA
1526	NA	NA	NA
1527	NA	NA	NA
1528	NA	NA	NA
1529	NA	NA	NA
1530	NA	NA	NA
1531	NA	NA	NA
1532	NA	NA	NA
1533	NA	NA	NA
1534	NA	NA	NA
1535	NA	NA	NA
1536	NA	NA	NA
1537	NA	NA	NA
1538	NA	NA	NA
1539	NA	NA	NA
1540	NA	NA	NA
1541	NA	NA	NA
1542	NA	NA	NA
1543	NA	NA	NA
1544	NA	NA	NA
1545	NA	NA	NA
1546	NA	NA	NA
1547	NA	NA	NA
1548	NA	NA	NA
1549	NA	NA	NA
1550	NA	NA	NA
1551	NA	NA	NA
1552	NA	NA	NA
1553	NA	NA	NA
1554	NA	NA	NA
1555	NA	NA	NA
1556	NA	NA	NA
1557	NA	NA	NA
1558	NA	NA	NA
1559	NA	NA	NA
1560	NA	NA	NA
1561	NA	NA	NA
1562	NA	NA	NA
1563	NA	NA	NA
1564	NA	NA	NA
1565	NA	NA	NA
1566	NA	NA	NA
1567	NA	NA	NA
1568	NA	NA	NA
1569	NA	NA	NA
1570	NA	NA	NA
1571	NA	NA	NA
1572	NA	NA	NA
1573	NA	NA	NA
1574	NA	NA	NA
1575	NA	NA	NA
1576	NA	NA	NA
1577	NA	NA	NA
1578	NA	NA	NA
1579	NA	NA	NA
1580	NA	NA	NA
1581	NA	NA	NA
1582	NA	NA	NA
1583	NA	NA	NA
1584	NA	NA	NA
1585	NA	NA	NA
1586	NA	NA	NA
1587	NA	NA	NA
1588	NA	NA	NA
1589	NA	NA	NA
1590	NA	NA	NA
1591	NA	NA	NA
1592	NA	NA	NA
1593	NA	NA	NA
1594	NA	NA	NA
1595	NA	NA	NA
1596	NA	NA	NA
1597	NA	NA	NA
1598	NA	NA	NA
1599	NA	NA	NA
1600	NA	NA	NA
1601	NA	NA	NA
1602	NA	NA	NA
1603	NA	NA	NA
1604	NA	NA	NA
1605	NA	NA	NA
1606	NA	NA	NA
1607	NA	NA	NA
1608	NA	NA	NA
1609	NA	NA	NA
1610	NA	NA	NA
1611	NA	NA	NA
1612	NA	NA	NA
1613	NA	NA	NA
1614	NA	NA	NA
1615	0.16	1.71625	-0.567886490405054
1616	-1.09	1.07625	-0.462194384668074
1617	-0.20999999	1.5865	-0.82587117913909
1618	-0.41999999	1.41	-0.473824147251245
1619	0.44	1.6495	0.426673200864933
1620	1.12	2.07775	-0.0189553257947757
1621	-0.20999999	1.46925	-0.257654429500893
1622	-0.47999999	1.25175	0.149284741895426
1623	-0.25999999	1.4875	-0.465932540338663
1624	0.50999999	1.8535	-0.394182285664357
1625	-0.18000001	1.521	-0.436544243787792
1626	0.07	1.52925	0.122649604397901
1627	-0.94	1.061	-0.0287848846554779
1628	0.090000004	1.6465	-0.397633138843837
1629	0.25999999	1.59675	0.250904165469549
1630	-0.73000002	1.191	-0.155483743938505
1631	-0.5	1.42525	-0.73946468239703
1632	-0.23	1.44475	-0.186856592144195
1633	-0.20999999	1.45575	-0.192230752570268
1634	0.38999999	1.7635	-0.245628420318151
1635	-0.5	1.29525	-0.109458904546576
1636	-0.20999999	1.44075	-0.119537778202908
1637	0.20999999	1.63625	-0.0603556590553156
1638	-0.029999999	1.386	0.577197527954594
1639	0.14	1.6965	-0.520108070964355
1640	0.090000004	1.4615	0.49891354502027
1641	-0.50999999	1.0995	0.815217436509641
1642	0.62	1.625	0.976811030285223
1643	0.30000001	1.60325	0.315271918130342
1644	-0.079999998	1.459	0.103590063072658
1645	-0.34999999	1.36175	-0.0722260908690948
1646	0.13	1.59925	-0.0727822855541327
1647	0.27000001	1.55975	0.454180548581197
1648	0.75	1.90025	-0.0455340700930487
1649	0.46000001	1.76225	-0.0718016356864013
1650	0.22	1.66275	-0.164812891399158
1651	-0.02	1.51725	-0.0348990017516789
1652	-0.56	1.27925	-0.175721722317037
1653	-0.41999999	1.36	-0.231514232693378
1654	0.050000001	1.56825	-0.114286123370194
1655	0.039999999	1.60475	-0.315139364195666
1656	-0.31	1.4325	-0.319226650316157
1657	0.12	1.64775	-0.331789901080094
1658	0.22	1.7005	-0.347756876890346
1659	-0.050000001	1.5055	-0.0498571694417685
1660	-1.26	0.96425	-0.326859148940557
1661	0.60000002	1.86775	-0.247537553768885
1662	-0.74000001	1.2245	-0.341798361130108
1663	0.27000001	1.70075	-0.229133410471989
1664	-0.46000001	1.3405	-0.232881407569124
1665	-0.88999999	1.10975	-0.145202035358251
1666	-0.31999999	1.4415	-0.386809409374404
1667	-0.52999997	1.3715	-0.550882447560817
1668	-1.15	0.926	0.122144918149339
1669	-0.51999998	1.325	-0.301567252584170
1670	-0.56999999	1.3855	-0.714597265190336
1671	-1.04	0.98275	0.110760147579286
1672	-0.44	1.26025	0.203960026072909
1673	0.25	1.6115	0.155455766237146
1674	0.02	1.556	-0.126821191914706
1675	-1.0700001	1.1095	-0.57539672070938
1676	-0.40000001	1.33975	-0.0854447684217788
1677	-0.56999999	1.25675	-0.0906492352038287
1678	-1.05	1.04675	-0.223363541459613
1679	0.75	1.93275	-0.203035514555662
1680	-0.25	1.45125	-0.266290877846377
1681	-0.43000001	1.347	-0.192480701247159
1682	-0.74000001	1.17225	-0.088584500417136
1683	0.2	1.6905	-0.347228890788433
1684	-0.5	1.33425	-0.298460637901712
1685	0.77999997	2.01825	-0.545484545136121
1686	-0.41	1.09625	1.07063754103720
1687	-0.17	1.5005	-0.313230156447239
1688	-0.55000001	1.2645	-0.080273323084636
1689	-0.81	1.14875	-0.142467805441748
1690	-0.64999998	1.278	-0.385366912162562
1691	-0.56999999	1.3355	-0.472287350632469
1692	-0.31	1.48775	-0.5869791059026
1693	-0.15000001	1.35375	0.445883415622762
1694	-0.54000002	1.31325	-0.292558515340724
1695	-0.19	1.4615	-0.172162419901762
1696	-0.5	1.39025	-0.569847742206524
1697	-0.56999999	1.38925	-0.732770508782177
1698	-0.40000001	1.27875	0.210173327338819
1699	-0.60000002	1.221	0.0107012865895628
1700	-0.62	1.29075	-0.375254993094326
1701	-0.49000001	1.34775	-0.339917340394506
1702	-0.60000002	1.2815	-0.282493710025457
1703	-0.47	1.46	-0.835969077800259
1704	0.33000001	1.57725	0.513174068914921
1705	0.18000001	1.66575	-0.27521945592495
1706	-0.46000001	1.178	0.554625814743943
1707	0.039999999	1.608	-0.330889508641928
1708	0.059999999	1.53075	0.091413306159636
1709	-0.1	1.532	-0.298116413784887
1710	-0.94999999	1.069	-0.0915214454225681
1711	-0.16	1.601	-0.776306086303722
1712	0.27000001	1.49925	0.747375545196217
1713	-0.38	1.37925	-0.228935580145835
1714	-0.15000001	1.496	-0.243488291294370
1715	0.34999999	1.807	-0.552306039602815
1716	-0.57999998	1.27825	-0.218809472901542
1717	-0.079999998	1.6095	-0.625762779746522
1718	-0.75999999	1.20125	-0.277058199736361
1719	-0.44	1.273	0.142170997860652
1720	-0.67000002	1.3155	-0.615033440758616
1721	-0.11	1.42275	0.207363751119222
1722	-0.5	1.16275	0.532662369031772
1723	-0.88	1.23075	-0.707625054150458
1724	-0.31999999	1.114	1.20032053097963
1725	-0.15000001	1.48825	-0.205930254537901
1726	-0.34	1.3535	-0.00827798052921508
1727	-0.19	1.26075	0.800711887048075
1728	0.15000001	1.6405	-0.224753944287715
1729	-0.49000001	1.33025	-0.255108870299252
1730	-0.69999999	1.158	0.0763418667851725
1731	-0.20999999	1.25925	0.76004721164215
1732	-0.31999999	1.2995	0.301350747969938
1733	-0.07	1.4885	-0.0154057929050517
1734	0.11	1.6795	-0.50962369522917
1735	-0.49000001	1.32	-0.205435337814890
1736	0.23999999	1.6465	-0.0381281963251894
1737	-0.55000001	1.33125	-0.403757059019388
1738	-0.60000002	1.41075	-0.908864839157544
1739	0.18000001	1.36675	1.17379383313110
1740	-0.50999999	1.17525	0.448117915954474
1741	0.41999999	1.65425	0.355719738205276
1742	-0.029999999	1.52875	-0.114597278108117
1743	-0.20999999	1.4315	-0.0747104440097028
1744	-0.70999998	1.153	0.0766058838031276
1745	-0.92000002	1.11925	-0.263141986239731
1746	-0.079999998	1.5335	-0.257451709618564
1747	-0.34	1.41375	-0.300261427571446
1748	-0.059999999	1.53225	-0.203459967341657
1749	-0.36000001	1.4055	-0.308214312446055
1750	-0.34	1.418	-0.320857770308865
1751	-0.76999998	1.37825	-1.15880227170904
1752	-0.41999999	1.366	-0.260591422440322
1753	-0.25	1.50725	-0.537677982151189
1754	-0.41	1.38925	-0.349298558271899
1755	-0.029999999	1.62375	-0.574986115768065
1756	-0.73000002	1.05	0.52783021511468
1757	0.059999999	1.45375	0.464570574578752
1758	-0.5	1.42275	-0.727349186669137
1759	-0.059999999	1.565	-0.36217296137706
1760	-0.28999999	1.3455	0.150326621791191
1761	-0.40000001	1.326	-0.0188095419183658
1762	-0.40000001	1.344	-0.106041111159198
1763	-0.44	1.336	-0.16313949448226
1764	-0.22	1.27575	0.656117917466225
1765	0.02	1.44825	0.395356673957497
1766	-0.12	1.4715	-0.0528554139795272
1767	0.11	1.43075	0.695868129696219
1768	-0.090000004	1.41625	0.286798027234607
1769	-0.46000001	1.307	-0.0705337648153541
1770	-0.69999999	1.18475	-0.0532939375032866
1771	-0.13	1.4605	-0.0235142311816256
1772	0.37	1.60925	0.453963693250207
1773	-0.07	1.567	-0.395832358760904
1774	-0.20999999	1.40325	0.0621946577154927
1775	-0.43000001	1.288	0.0934449979311243
1776	-0.28	1.37725	0.0204268004847758
1777	-0.28	1.42225	-0.197652122617304
1778	-0.07	1.33625	0.722427896923652
1779	-0.38	1.26375	0.330800322482837
1780	-0.93000001	1.1595	-0.482168441896645
1781	-0.60000002	1.26	-0.178300446765575
1782	-0.69	1.2145	-0.173501362227387
1783	-0.34999999	1.24925	0.472971216886106
1784	-0.83999997	1.1565	-0.251926765511712
1785	-0.31	1.4325	-0.319226650316157
1786	0.51999998	1.88975	-0.545889999280977
1787	-0.30000001	1.3865	-0.0723345544850862
1788	-0.36000001	1.35225	-0.0501542534419274
1789	-0.11	1.37375	0.444827467385933
1790	-0.23999999	1.25125	0.726915802756918
1791	-0.93000001	1.006	0.261722995796007
1792	-0.23999999	1.3895	0.0569288890044165
1793	-0.20999999	1.4345	-0.0892490388831753
1794	-0.34	1.4255	-0.357204257492544
1795	0.22	1.71675	-0.426507599121652
1796	-0.63	1.274	-0.318048170122270
1797	0.31999999	1.75725	-0.383108669832226
1798	0.41999999	1.745	-0.0840727567172521
1799	-0.22	1.4365	-0.122908457837318
1800	-0.55000001	1.27275	-0.120254458986683
1801	-0.64999998	1.22575	-0.132153051449591
1802	-0.44999999	1.36825	-0.343396363809915
1803	-0.079999998	1.29725	0.887462636667358
1804	-0.41	1.2755	0.201956497347249
1805	-0.69999999	1.192	-0.088428875114177
1806	0.23	1.67125	-0.182038578469165
1807	0.34999999	1.55925	0.648339587031416
1808	0.34999999	1.71675	-0.114936643825865
1809	-0.050000001	1.30275	0.932709534090382
1810	-0.1	1.512	-0.20119244796174
1811	-0.46000001	1.207	0.414086064300381
1812	-0.55000001	1.295	-0.228082370964934
1813	-0.34	1.236	0.561150318681772
1814	-0.61000001	1.30725	-0.431250290460589
1815	0.67000002	1.73375	0.569622006080007
1816	-0.56999999	1.39525	-0.76184769852912
1817	0.13	1.49	0.456664877754806
1818	0.72000003	2.007	-0.63476666098759
1819	0.18000001	1.64375	-0.168603093519487
1820	-0.52999997	1.1925	0.316587046556347
1821	-0.31	1.292	0.36166420959145
1822	-0.07	1.51525	-0.145041597193512
1823	-0.51999998	1.282	-0.0931807260644043
1824	0.31	1.73525	-0.300459281864596
1825	-0.27000001	1.38225	0.020162783466821
1826	-0.44999999	1.33275	-0.17135632447383
1827	-0.95999998	1.09325	-0.233008728420965
1828	-0.34	1.4445	-0.449282025024534
1829	-1.04	1.028	-0.108530325095584
1830	-0.89999998	1.081	-0.0298408089253090
1831	-1.14	0.95225	0.0188992114112874
1832	-0.68000001	1.09675	0.421105460994222
1833	0.02	1.51325	0.0803537850322706
1834	-0.37	1.37225	-0.171045193702905
1835	-0.5	1.37325	-0.487462371256849
1836	-0.38999999	1.35	-0.111151254567316
1837	-0.54000002	1.17225	0.390755443712461
1838	-0.19	1.38275	0.209475695526878
1839	-0.18000001	1.46175	-0.149406995036719
1840	-0.51999998	1.26475	-0.00958380554193916
1841	-0.44	1.30225	0.000419697844301292
1842	0.029999999	1.47175	0.305438010123430
1843	-0.23	1.47775	-0.346781135752387
1844	-0.36000001	1.4785	-0.661986787700542
1845	-0.059999999	1.486	0.0206767036243700
1846	0.34999999	1.694	-0.00468563270203526
1847	0.14	1.698	-0.527377368401091
1848	-0.12	1.3575	0.499611191212409
1849	-0.81999999	1.2095	-0.460841326067388
1850	-0.62	1.33575	-0.593333916196405
1851	0.27000001	1.5855	0.329390942583895
1852	0.74000001	2.0125	-0.613486802713292
1853	0.050000001	1.4045	0.67927884680682
1854	0.30000001	1.7695	-0.490408547774567
1855	-0.40000001	1.21025	0.542137910283097
1856	-0.46000001	1.234	0.283238710439132
1857	-0.51999998	1.25175	0.0534167722431047
1858	-0.52999997	1.1305	0.617051340608102
1859	-0.47	1.38375	-0.466446458099512
1860	-0.47999999	1.2965	-0.067582631633865
1861	-0.81	1.0845	0.168900434765111
1862	-0.41999999	1.14025	0.833437841788448
1863	-0.51999998	1.355	-0.44695320131889
1864	-0.31	1.292	0.361664209591451
1865	-0.44	1.417	-0.555681556066003
1866	-0.75999999	1.14075	0.0161367968786583
1867	-0.050000001	1.6385	-0.694401542165694
1868	-0.68000001	1.1885	-0.0235332322194635
1869	0.31999999	1.40175	1.33971482267421
1870	-0.5	1.30925	-0.177305680622779
1871	-0.44999999	1.3795	-0.397916094585435
1872	-0.64999998	1.105	0.453025392207659
1873	0.050000001	1.6315	-0.420808165285897
1874	-0.66000003	1.1775	0.0777088978589284
1875	-0.039999999	1.47825	0.106168737190498
1876	-0.15000001	1.43975	0.0291103625832305
1877	-0.30000001	1.23475	0.66307603619804
1878	-0.57999998	1.1795	0.259752608350245
1879	-0.83999997	1.05725	0.229058414885656
1880	-0.33000001	1.40075	-0.213293875348568
1881	-0.28	1.404	-0.109209003803683
1882	-0.63999999	1.14725	0.272240488844092
1883	-0.17	1.4085	0.132620086339237
1884	0.059999999	1.51475	0.168952478818155
1885	1.25	1.8625	1.33575983563963
1886	0.20999999	1.55825	0.317647807654957
1887	0.059999999	1.5405	0.0441628728208522
1888	-0.51999998	1.3015	-0.187681592741972
1889	-0.30000001	1.413	-0.200758809200757
1890	1	1.98325	0.151406431861636
1891	-0.15000001	1.4495	-0.0181400707555532
1892	-0.1	1.344	0.612968864952693
1893	-0.13	1.56275	-0.519038006452465
1894	0.14	1.613	-0.115450513652717
1895	-0.41	1.257	0.291611165733659
1896	-0.77999997	1.0825	0.25049389846291
1897	-0.87	1.03225	0.278312305049104
1898	0.0099999998	1.50075	0.116964264787567
1899	-0.58999997	1.22325	0.0237644586742799
1900	-0.16	1.50425	-0.307436401634249
1901	0.02	1.46225	0.327509897881295
1902	0.31999999	1.7345	-0.272857658708397
1903	-0.07	1.46125	0.116653110528985
1904	-0.72000003	1.14275	0.102312298047668
1905	0.1	1.56	0.0455300021593026
1906	-0.25999999	1.38925	0.0102064417675456
1907	-0.88	1.03825	0.225268116897330
1908	0.15000001	1.54375	0.244115740381757
1909	0.15000001	1.414	0.872909968659422
1910	-0.13	1.347	0.526529274864732
1911	-0.18000001	1.347	0.406694258873585
1912	0.13	1.47075	0.549954194859585
1913	-0.16	1.34525	0.463109126659768
1914	-0.44999999	1.1925	0.508322985860988
1915	-0.43000001	1.2335	0.357562804799199
1916	0.31	1.7645	-0.44221058188095
1917	0.0099999998	1.4465	0.379870522082854
1918	-0.54000002	1.273	-0.0974990341216418
1919	0.33000001	1.60575	0.375057417616937
1920	0.27000001	1.63675	0.0810232801620814
1921	-0.12	1.37475	0.416014270689945
1922	-0.40000001	1.196	0.611196235932089
1923	-0.82999998	1.14075	-0.151632167988153
1924	-0.47	1.2655	0.106616489829845
1925	0.11	1.55375	0.0997857398838662
1926	0.079999998	1.53075	0.139347300572597
1927	-0.22	1.3645	0.226017819126012
1928	0.56	1.8475	-0.245270079926264
1929	0.19	1.5715	0.205501707454462
1930	0.090000004	1.591	-0.128669133684606
1931	-0.28	1.4145	-0.160094085860835
1932	-0.74000001	1.17625	-0.107969293581765
1933	-0.33000001	1.37475	-0.0872927197784771
1934	-0.31	1.378	-0.0551088434480815
1935	0.0099999998	1.52025	0.0224633981099989
1936	0.11	1.42675	0.715252922860849
1937	0.02	1.437	0.449876404733018
1938	0.13	1.657	-0.352650236868469
1939	-0.56999999	1.30625	-0.330536050616116
1940	-0.63	1.2485	-0.194470113697757
1941	0.49000001	1.343	2.03186799309580
1942	0.079999998	1.50225	0.277463951870580
1943	0.31	1.5485	0.604568249009036
1944	-0.31	1.23625	0.631839764323472
1945	0.54000002	1.7265	0.293185964428112
1946	-0.25	1.42	-0.114847181247712
1947	-0.27000001	1.2545	0.639264615162172
1948	-0.2	1.40875	0.0595075415519583
1949	-0.38999999	1.30275	0.117831614689869
1950	-0.44999999	1.14125	0.756690648282802
1951	0.059999999	1.64075	-0.441668505867671
1952	0.090000004	1.654	-0.433979626027518
1953	0.31	1.52975	0.695434466968238
1954	-0.050000001	1.28775	1.00540250845774
1955	-0.50999999	1.28925	-0.104348689237462
1956	0.34	1.5245	0.792778003211302
1957	1.08	1.98	0.358892563546535
1958	-0.13	1.4995	-0.212515964536763
1959	-0.34	1.18325	0.816787278540322
1960	-0.34999999	1.4435	-0.468402801171207
1961	0.039999999	1.5175	0.107691436707811
1962	-0.25999999	1.3155	0.367613565740401
1963	-0.34	1.389	-0.180318019865301
1964	0.33000001	1.68475	-0.00779224738449247
1965	-0.30000001	1.409	-0.181374016036126
1966	0.79000002	1.92075	-0.0490130935084578
1967	0.30000001	1.66375	0.0220769215153229
1968	0.13	1.57625	0.0386802751424857
1969	0.69	1.73825	0.595748062645463
1970	-0.090000004	1.384	0.44308792212443
1971	0.28	1.528	0.632014318763273
1972	0.33000001	1.75	-0.324006685882509
1973	0.36000001	1.6895	0.041089305946999
1974	0.36000001	1.64075	0.277341472640919
1975	-0.2	1.50325	-0.398458196962411
1976	-0.059999999	1.45375	0.176966598514195
1977	0.059999999	1.32725	1.07761465841016
1978	-0.28999999	1.49325	-0.565699175727308
1979	-0.49000001	1.30125	-0.114569119855689
1980	-0.090000004	1.481	-0.0269933121178323
1981	0.30000001	1.6785	-0.0494045032792492
1982	-0.67000002	1.2585	-0.338800138162646
1983	NA	1.5465	NA
1984	NA	NA	NA
1985	NA	NA	NA
1986	NA	NA	NA
1987	NA	NA	NA
1988	NA	NA	NA
1989	NA	NA	NA
1990	NA	NA	NA
1991	NA	NA	NA
1992	NA	NA	NA
1993	NA	NA	NA
1994	NA	NA	NA