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	NA	NA	NA
1616	NA	NA	NA
1617	NA	NA	NA
1618	NA	NA	NA
1619	NA	NA	NA
1620	0.99599999	996	-1.00000000884393e-05
1621	0.99699998	997	-1.99999999495049e-05
1622	0.99800003	997	1.00003000000004
1623	0.94700003	947	3.00000000379441e-05
1624	1.025	1024	1
1625	0.94800001	948	9.99999997475243e-06
1626	1.1160001	1116	9.9999999974898e-05
1627	1.0650001	1065	9.9999999974898e-05
1628	1.002	1002	0
1629	1.1569999	1157	-9.9999999974898e-05
1630	1.196	1196	0
1631	1.094	1094	0
1632	1.069	1069	0
1633	1.109	1108	1
1634	1.0319999	1032	-9.9999999974898e-05
1635	0.99400002	994	1.99999999495049e-05
1636	1.085	1085	0
1637	1.125	1124	1
1638	1.048	1047	1
1639	1.048	1048	0
1640	1.01	1010	0
1641	0.94599998	946	-2.00000000631917e-05
1642	0.95999998	959	0.999979999999937
1643	0.94099998	1038	-97.00002
1644	0.99900001	1013	-13.9999899999999
1645	0.97299999	974	-1.00000999999997
1646	1.003	1027	-24.0000000000001
1647	0.98100001	1028	-46.9999899999999
1648	1.002	1002	0
1649	0.98199999	1042	-60.00001
1650	0.98900002	991	-1.99998000000005
1651	0.954	913	41
1652	0.995	913	82
1653	0.88999999	849	40.9999899999999
1654	0.92799997	928	-3.00000000379441e-05
1655	0.95200002	902	50.0000200000000
1656	0.99599999	994	1.99998999999991
1657	0.99299997	1008	-15.0000300000000
1658	1.0039999	1048	-44.0001000000001
1659	1.0089999	1009	-9.9999999974898e-05
1660	1.011	1023	-12.0000000000001
1661	0.958	957	1
1662	0.963	1037	-74
1663	0.98500001	1036	-50.9999899999999
1664	0.89499998	906	-11.0000200000000
1665	1.072	1072	0
1666	0.99000001	989	1.00001000000009
1667	0.99699998	954	42.9999800000001
1668	0.96100003	884	77.00003
1669	1.023	978	44.9999999999999
1670	1.008	979	29
1671	1.008	922	86
1672	0.977	922	55
1673	0.99400002	1015	-20.9999800000001
1674	0.97500002	1015	-39.9999800000001
1675	0.96499997	968	-3.00002999999992
1676	0.977	1111	-134
1677	0.98799998	1052	-64.00002
1678	1.007	1036	-29.0000000000001
1679	1.003	1024	-21.0000000000001
1680	1.0369999	1041	-4.00009999999997
1681	1.066	1088	-22
1682	1.015	1009	5.99999999999989
1683	0.97299999	960	12.9999900000000
1684	1.013	1013	-1.13686837721616e-13
1685	1.098	1144	-46
1686	0.91100001	920	-8.99999000000003
1687	0.99199998	1018	-26.0000200000000
1688	0.99299997	1045	-52.00003
1689	0.88	893	-13
1690	0.949	1065	-116
1691	1.011	1007	3.99999999999989
1692	1.045	1022	23
1693	1.054	1137	-83
1694	0.90700001	929	-21.9999900000000
1695	1.001	1007	-6.00000000000011
1696	1.023	997	25.9999999999999
1697	1.054	1013	41
1698	0.95700002	899	58.00002
1699	0.91900003	858	61.0000299999999
1700	0.91600001	881	35.00001
1701	1.006	944	62
1702	1.057	1053	4
1703	0.98400003	984	3.00000000379441e-05
1704	1.1059999	1096	9.99990000000003
1705	1.068	1066	2
1706	1.036	1019	17
1707	1.03	1018	12
1708	0.97799999	942	35.99999
1709	1.0549999	1006	48.9999
1710	1.001	977	23.9999999999999
1711	1.011	956	54.9999999999999
1712	1.033	1028	5
1713	0.99400002	1055	-60.99998
1714	1.01	1023	-13
1715	1.0190001	1068	-48.9999
1716	1.0140001	1041	-26.9998999999999
1717	1.105	1140	-35
1718	1.015	1040	-25.0000000000001
1719	0.95700002	895	62.00002
1720	0.97299999	960	12.9999900000000
1721	1.048	973	75
1722	1.015	1019	-4.00000000000011
1723	0.912	896	16
1724	0.98299998	983	-1.99999999495049e-05
1725	0.963	958	5
1726	1.034	1032	2
1727	1.027	984	43
1728	0.95099998	971	-20.0000200000001
1729	0.995	986	9
1730	1.002	949	53
1731	1.0039999	1021	-17.0001000000001
1732	0.95499998	917	37.9999799999999
1733	1.015	974	40.9999999999999
1734	1	950	50
1735	0.991	994	-3
1736	0.977	944	33
1737	0.96399999	942	21.9999900000000
1738	1.041	1076	-35
1739	0.95700002	945	12.0000200000000
1740	0.99599999	1043	-47.0000100000001
1741	0.97799999	975	2.99999000000003
1742	1.022	1009	13
1743	0.97600001	969	7.00000999999997
1744	0.89499998	893	1.99998000000005
1745	1.0549999	1033	21.9999000000000
1746	0.95999998	938	21.9999799999999
1747	1.0470001	1005	42.0001
1748	1.079	1077	2
1749	0.97799999	941	36.99999
1750	1.008	987	21
1751	1.013	1015	-2.00000000000011
1752	0.95999998	932	27.9999799999999
1753	0.97500002	934	41.0000200000000
1754	1.0420001	1048	-5.9998999999998
1755	0.85699999	895	-38.00001
1756	0.98299998	1002	-19.0000200000000
1757	0.95999998	947	12.9999799999999
1758	1.0599999	1066	-6.00009999999997
1759	1.03	991	39
1760	0.97899997	982	-3.00002999999992
1761	0.87800002	848	30.0000200000000
1762	0.99400002	979	15.0000200000000
1763	0.977	967	10
1764	0.96899998	982	-13.0000200000001
1765	0.96700001	949	18.0000100000000
1766	1.029	1020	9
1767	1.054	1024	30
1768	1.067	1056	11
1769	0.861	845	16
1770	1.0039999	1019	-15.0001000000001
1771	1.007	1035	-28.0000000000001
1772	0.95300001	979	-25.9999900000000
1773	0.986	992	-6
1774	1.062	1106	-44
1775	1.016	1049	-33
1776	0.98900002	1040	-50.9999800000001
1777	0.95200002	996	-43.9999800000001
1778	1.015	1055	-40.0000000000001
1779	0.98199999	1002	-20.0000100000000
1780	1.044	1032	12
1781	1.0089999	997	11.9999000000000
1782	1.045	1026	19
1783	1.039	1025	14
1784	1.045	1081	-36
1785	0.98000002	978	2.00001999999995
1786	0.93599999	935	0.999990000000025
1787	0.99199998	986	5.99998000000005
1788	1.028	984	44
1789	0.991	971	20
1790	1.016	988	28
1791	1.01	984	26
1792	0.99800003	972	26.0000300000000
1793	1.005	1017	-12.0000000000001
1794	1.059	1063	-4
1795	0.97600001	981	-4.99999000000003
1796	1.052	1071	-19
1797	0.98199999	1009	-27.0000100000000
1798	0.99699998	1043	-46.0000200000000
1799	0.92699999	958	-31.00001
1800	1.052	1109	-57
1801	1.039	1059	-20
1802	1.041	1099	-58
1803	0.995	1024	-29
1804	1.046	1078	-32
1805	0.96799999	988	-20.0000100000000
1806	1.01	1005	5
1807	0.98000002	965	15.0000200000000
1808	1.025	1045	-20
1809	1.028	1037	-9
1810	1.002	989	13
1811	0.95499998	941	13.9999799999999
1812	0.96200001	966	-3.99999000000003
1813	0.963	991	-28
1814	1.024	1013	11
1815	1.017	1019	-2.00000000000011
1816	0.95899999	939	19.9999900000000
1817	0.92400002	895	29.0000200000001
1818	1	1021	-21
1819	1.0140001	991	23.0001000000001
1820	1.008	1049	-41
1821	1.013	1033	-20.0000000000001
1822	0.99299997	994	-1.00003000000004
1823	0.88999999	891	-1.00001000000009
1824	0.96600002	946	20.0000200000000
1825	1	999	1
1826	1.03	1037	-7
1827	1.0369999	1033	3.99990000000003
1828	1.002	996	6
1829	1.007	1008	-1.00000000000011
1830	0.94400001	954	-9.99999000000003
1831	1.043	1022	21
1832	0.94	904	36
1833	0.935	948	-13
1834	0.96399999	983	-19.0000100000000
1835	0.98500001	1032	-46.9999899999999
1836	0.94199997	972	-30.0000299999999
1837	0.93599999	933	2.99999000000003
1838	0.96799999	949	18.9999900000000
1839	1	1026	-26
1840	1.058	1103	-45
1841	0.95200002	974	-21.9999800000001
1842	1.003	1050	-47.0000000000001
1843	1.031	1030	1
1844	1.057	1108	-51
1845	0.99400002	1010	-15.9999800000001
1846	1.044	1059	-15
1847	1.039	1013	26
1848	1.0470001	1028	19.0001000000000
1849	1.0420001	1009	33.0001000000002
1850	1.023	974	48.9999999999999
1851	1.007	990	16.9999999999999
1852	0.96799999	933	34.99999
1853	0.97399998	920	53.9999799999999
1854	0.99000001	954	36.0000100000001
1855	0.97299999	971	1.99999000000003
1856	1.109	1090	19
1857	1.0599999	1064	-4.00009999999997
1858	1.051	1046	5
1859	0.98900002	990	-0.99998000000005
1860	0.96700001	951	16.0000100000000
1861	1.02	986	34
1862	0.97799999	937	40.99999
1863	0.97500002	943	32.0000200000000
1864	0.87199998	867	4.99998000000005
1865	1.069	1096	-27
1866	0.95999998	967	-7.00002000000006
1867	1.056	1011	45
1868	1.01	1004	6
1869	0.98699999	979	7.99999000000003
1870	1.0470001	1030	17.0001000000000
1871	1.0190001	959	60.0001
1872	0.94999999	936	13.9999900000000
1873	0.986	960	26
1874	0.93300003	902	31.0000299999999
1875	1.0039999	1001	2.99989999999991
1876	0.977	958	19
1877	1.016	1032	-16
1878	0.95899999	951	7.99999000000003
1879	1.048	1047	1
1880	1.025	1028	-3
1881	1.0420001	1028	14.0001000000002
1882	0.93099999	940	-9.00000999999997
1883	1.035	1010	25
1884	1.003	1000	2.99999999999989
1885	0.954	920	34
1886	1	981	19
1887	0.98100001	1019	-37.9999899999999
1888	0.986	998	-12
1889	1.036	1039	-3
1890	0.92799997	931	-3.00003000000004
1891	0.977	947	30
1892	1.08	1053	27
1893	1.028	1020	8
1894	1.056	1060	-4
1895	1.056	1058	-2
1896	1.051	1052	-1
1897	0.90799999	950	-42.00001
1898	1.062	1039	23
1899	0.958	982	-24
1900	1.017	1004	12.9999999999999
1901	0.98000002	1014	-33.9999800000001
1902	1.036	1055	-19
1903	0.97799999	971	6.99999000000003
1904	1.028	1037	-9
1905	0.95999998	991	-31.0000200000001
1906	1.02	1050	-30
1907	0.977	994	-17
1908	0.95599997	982	-26.0000299999999
1909	0.93800002	929	9.00002000000006
1910	1.028	1039	-11
1911	1.0549999	1056	-1.00009999999997
1912	0.99400002	1031	-36.9999800000001
1913	0.986	1018	-32
1914	1.007	1000	6.99999999999989
1915	1.02	1025	-5
1916	1.006	1012	-6
1917	0.99299997	1007	-14.0000300000000
1918	1.008	1055	-47
1919	0.97100002	1011	-39.9999800000001
1920	0.91500002	953	-37.9999799999999
1921	1.0700001	1046	24.0001
1922	1.066	1048	18
1923	1.027	1009	18
1924	0.96200001	965	-2.99999000000003
1925	0.98299998	1022	-39.0000200000000
1926	0.949	943	6
1927	0.95499998	983	-28.0000200000001
1928	0.98900002	1025	-35.9999800000001
1929	1.018	960	58
1930	0.96899998	947	21.9999799999999
1931	1.064	1079	-15
1932	1.051	1010	41
1933	0.93800002	955	-16.9999799999999
1934	1.022	1026	-4
1935	0.94499999	949	-4.00000999999997
1936	1.077	1083	-6
1937	1.011	1037	-26.0000000000001
1938	1.0700001	1077	-6.99990000000003
1939	1.0140001	1006	8.00010000000009
1940	0.96100003	1018	-56.99997
1941	1.033	1060	-27
1942	0.98799998	994	-6.00001999999995
1943	1.006	988	18
1944	1.024	1015	9
1945	1.029	1025	4
1946	1.084	1078	6
1947	1.052	1070	-18
1948	1.003	1005	-2.00000000000011
1949	1.074	1067	7
1950	0.93000001	934	-3.99999000000003
1951	0.99400002	1009	-14.9999800000001
1952	1.015	1031	-16.0000000000001
1953	0.98900002	1012	-22.9999800000001
1954	1.0650001	1074	-8.99990000000003
1955	0.991	1002	-11
1956	0.99299997	995	-2.00003000000004
1957	0.84100002	884	-42.9999800000001
1958	0.98900002	1004	-14.9999800000001
1959	1.048	1053	-5
1960	1.045	1071	-26
1961	1.013	1079	-66.0000000000001
1962	1.005	1033	-28.0000000000001
1963	0.99299997	1041	-48.00003
1964	0.98299998	984	-1.00001999999995
1965	0.935	946	-11
1966	0.96799999	1001	-33.00001
1967	0.97799999	970	7.99999000000003
1968	0.97600001	927	49.00001
1969	0.99299997	933	59.99997
1970	1.02	963	57
1971	1.022	960	62
1972	0.91500002	924	-8.99997999999994
1973	0.99299997	890	102.99997
1974	1.029	967	62
1975	0.95599997	936	19.9999700000001
1976	0.91799998	867	50.9999800000001
1977	0.99599999	992	3.99998999999991
1978	0.991	983	8
1979	0.958	955	3
1980	1.016	1062	-46
1981	1.026	NA	NA
1982	NA	NA	NA
1983	NA	NA	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