year,volcanic
1750,0.1999780663005404
1751,0.1999903684045746
1752,0.1999945078831076
1753,0.1999958915770182
1754,0.1999963568370048
1755,0.1730278839500614
1756,-0.077672575825711
1757,0.0663511946070317
1758,0.1532680662202978
1759,0.1842164991664947
1760,0.1946920959819668
1761,0.198214588745805
1762,-0.8062714455214892
1763,-0.4952505953099832
1764,-0.0497919322949603
1765,0.1153513906773143
1766,-0.2047254902131408
1767,-0.2620056572907444
1768,0.0264207882220202
1769,0.1408546682081573
1770,0.033996593303709
1771,0.0923640242109687
1772,0.1614834524480926
1773,0.1869523805224385
1774,0.1956100235432767
1775,0.198522881342503
1776,0.1995015567710333
1777,0.199830301314225
1778,0.19994073405064
1779,0.1999778339271068
1780,0.1999902966479478
1781,0.1999944845383448
1782,0.1999958872791605
1783,-1.7920852484612857
1784,-3.8814611745285
1785,-1.4760962345332935
1786,-0.5478032647646129
1787,-0.1132257510752988
1788,0.0919618340960809
1789,0.1635783090157072
1790,0.1877574708244241
1791,0.1958850851397539
1792,0.1986154875329977
1793,0.1995326688771268
1794,0.1998407621118953
1795,0.1999442536504186
1796,0.0559705428721161
1797,-0.0539558527421007
1798,0.05753317033373
1799,0.1495430344155993
1800,0.182930524987483
1801,0.1942585353270702
1802,0.198068870841958
1803,0.1993490466514354
1804,0.1997790766076158
1805,0.1999235313659478
1806,0.1999720491475771
1807,0.1999883496167158
1808,0.1999938251882879
1809,-3.7460594985266495
1810,-2.577328269914488
1811,-0.7978522621310221
1812,-0.1381426792966367
1813,0.086277768171291
1814,0.1617911148276101
1815,-3.719522573119309
1816,-4.816199118230456
1817,-1.694761300858329
1818,-0.4457899267227901
1819,-0.0173537400151742
1820,0.1269670023548951
1821,0.0606775090462083
1822,0.0662967683566961
1823,-0.3064812594641989
1824,-0.039363109768353
1825,0.1164440518309464
1826,0.1717872674479026
1827,0.1905142670527506
1828,0.1968110812230776
1829,0.1989265324001423
1830,0.1996371475218612
1831,-2.5005622398226164
1832,-1.6717040282322142
1833,-0.4724999537798466
1834,-0.0278917736362401
1835,-1.8545866049013715
1836,-1.1927674379406812
1837,-0.2998050392503578
1838,0.030655116346076
1839,0.143046910974782
1840,0.1808635735911926
1841,0.1935694679197994
1842,0.1978376464798616
1843,0.1992713831037064
1844,0.1997529838254202
1845,0.1999147676085148
1846,-0.0024776137494068
1847,0.0601067707810959
1848,0.1497384162036581
1849,0.182965736631905
1850,0.1943327275620774
1851,0.1978591918398632
1852,0.1915541054048052
1853,0.0109864304372586
1854,-0.0229605122804567
1855,0.1180223574101038
1856,0.1281670354828147
1857,-0.0576729270042189
1858,0.0878091643762057
1859,0.162295881731692
1860,0.1879492912539606
1861,0.1076720122790119
1862,-0.7006053344809421
1863,-0.2955831451435856
1864,0.0335659222597082
1865,0.149773953129815
1866,0.1841336900908536
1867,0.1953303657263129
1868,0.1989946649188998
1869,0.2001962875773176
1870,0.2005913765442926
1871,0.200720249685548
1872,0.1945508957110224
1873,-0.0444955555796455
1874,0.1062713650916314
1875,0.1207137538198257
1876,0.1328621051780426
1877,0.1765416276001946
1878,0.1927796600608662
1879,0.1953670854696945
1880,0.1476251424961077
1881,0.146469021348085
1882,0.1974256743286415
1883,-0.5166738524703293
1884,-1.9623399630672784
1885,-0.6789868332554465
1886,-0.1181835944122535
1887,-0.0351645167453284
1888,0.1378516205019149
1889,0.1924187943726844
1890,0.0103651959932655
1891,-0.132772558414903
1892,0.0653061429933672
1893,0.1980135869623512
1894,0.1986173993017168
1895,0.1986601050679704
1896,0.1985282343900748
1897,0.1983374759549864
1898,0.1981216932319948
1899,0.1978905020913086
1900,0.1976464182067943
1901,0.1974206443132271
1902,-0.0385380006962346
1903,-0.7469856053462377
1904,-0.2921984129724888
1905,0.0743500948606347
1906,0.1792518254338925
1907,0.0170179524752384
1908,0.1299908376612431
1909,0.1956101382496098
1910,0.195365312149685
1911,0.1951163614669556
1912,-0.3874246201457883
1913,-0.2953870767088629
1914,0.0060949185268916
1915,0.168086838614739
1916,0.193406054453672
1917,0.1935343115910585
1918,0.1932585314106259
1919,0.1929766461098872
1920,0.1926906936897708
1921,0.1924006053789647
1922,0.0534225756288867
1923,0.1177102709433885
1924,0.1915056411943332
1925,0.1911990651959619
1926,0.1908884215294064
1927,0.1905736217731063
1928,0.1518606014426766
1929,-0.0368091368116012
1930,0.1896045873445277
1931,0.1892733536104584
1932,0.0037108814383134
1933,0.1505076159499875
1934,0.1882549314319092
1935,0.1879072453712289
1936,0.1875554298400972
1937,0.1871995049693305
1938,0.1868394558864548
1939,0.1864752991910371
1940,0.1861070235655381
1941,0.1857346477436322
1942,0.1853581234276634
1943,0.184977504073129
1944,0.1845927647520393
1945,0.1842039420869045
1946,0.1838109525700516
1947,0.1834138795095298
1948,0.18301269790019
1949,0.1826073807712071
1950,0.1821979724586079
1951,0.1817844267575054
1952,0.1813667729448038
1953,0.1809450204823658
1954,0.1805191237056845
1955,0.1800891218255335
1956,0.1796550263397751
1957,0.1792167834527529
1958,0.1787744492695583
1959,0.1783279969910473
1960,0.1778774428870662
1961,0.1662893194248463
1962,-0.0243829669988642
1963,-0.9127327755163448
1964,-0.665329647600748
1965,-0.3449133454216356
1966,0.1087342889746968
1967,-0.1518409822560399
1968,-0.0350094382496843
1969,0.051402267889555
1970,0.0472642370905391
1971,-0.0898904675595943
1972,0.0256056275996864
1973,0.1560626837173002
1974,0.0242237043841206
1975,-0.2230824288751914
1976,0.0369543119418406
1977,0.1216016315616646
1978,0.1465882823999658
1979,0.1311457836329557
1980,0.0859547269541133
1981,0.0539123478180192
1982,-0.2917651254478974
1983,-0.7533854177778839
1984,-0.2897457828070507
1985,-0.025879271972081
1986,-0.0274595568808149
1987,0.0504991192409101
1988,0.1045091365230326
1989,0.1415844264907571
1990,0.1372642854281691
1991,-0.5750379090258204
1992,-1.7876312108531522
1993,-0.7939631767875425
1994,-0.087425646512041
1995,0.085922263715378
1996,0.148747981052563
1997,0.1693176883752027
1998,0.1709760972483265
1999,0.1744629199184264
2000,0.1751097657535766
2001,0.1698493526177382
2002,0.1766331470578831
2003,0.1602781115401009
2004,0.1711930166109668
2005,0.1434671406031829
2006,0.1283620656810924
2007,0.1147540388940298
2008,0.1312933986779138
2009,0.1041922859093242
2010,0.1368015765504796
2011,0.0981576298677148
2012,0.1337497226238915
2013,0.1567649249153097
2014,0.1384179293440393
2015,0.1096498908389316
2016,0.1271892252156173
2017,0.1506135204579717
2018,0.1399169489098895
2019,0.1399169489098895
