Year,Value,NumPoints
1881,-0.820955,945
1882,-1.17904,945
1883,-0.324365,923
1884,-0.976077,998
1885,-0.854184,1001
1886,0.0327272,1001
1887,-0.729268,1111
1888,0.0404876,1097
1889,-0.671746,1116
1890,-0.539317,1148
1891,-1.13251,1100
1892,-1.23504,1120
1893,-0.101514,1144
1894,-0.0455111,1285
1895,0.270299,1366
1896,-0.0297878,1350
1897,-0.0190295,1322
1898,-0.381914,1397
1899,-0.73962,1324
1900,-0.508675,1415
1901,-0.647164,1333
1902,-0.199168,1468
1903,-0.401227,1468
1904,-0.381361,1402
1905,-0.724442,1364
1906,-0.527159,1279
1907,-0.929462,1386
1908,0.737487,1404
1909,0.126088,1427
1910,-0.526555,1480
1911,0.154516,1483
1912,-1.62514,1448
1913,-0.674371,1424
1914,-0.897109,1452
1915,0.124979,1476
1916,-0.690685,1481
1917,-0.260205,1464
1918,-0.651669,1438
1919,-0.528825,1446
1920,-0.321079,1446
1921,-0.252068,1519
1922,-0.476162,1518
1923,-0.158037,1561
1924,0.0279218,1514
1925,-0.59028,1569
1926,-0.126935,1543
1927,-0.118187,1572
1928,-0.161561,1582
1929,-0.871,1602
1930,0.282459,1602
1931,0.330385,2340
1932,0.112966,2340
1933,-0.190169,2340
1934,-0.00617859,2340
1935,0.157351,1602
1936,0.428335,2340
1937,0.244845,2340
1938,0.346333,2340
1939,0.00532005,2340
1940,0.227106,2340
1941,0.341414,2340
1942,-0.226049,2340
1943,-0.0920664,2340
1944,-0.510841,1620
1945,-0.0719893,1620
1946,-0.246776,2340
1947,-0.377759,2340
1948,-0.0538611,2340
1949,-0.845642,2340
1950,-0.270434,2340
1951,-0.43611,2340
1952,0.0991422,2340
1953,0.603828,2340
1954,0.37876,2340
1955,-0.466754,2340
1956,0.174896,2340
1957,0.369358,2340
1958,0.239606,2340
1959,-0.27548,2340
1960,0.768021,2340
1961,0.504411,2340
1962,0.325186,2340
1963,-0.44389,2340
1964,-0.527438,2340
1965,-0.314015,2340
1966,-0.109549,2340
1967,-0.0342645,2340
1968,-0.493451,2340
1969,0.202871,2340
1970,-0.169761,2340
1971,0.282647,2340
1972,-0.21377,2340
1973,0.173448,2340
1974,0.343198,2340
1975,-0.157667,2340
1976,-0.329127,2340
1977,0.170272,2340
1978,-0.368022,2340
1979,0.00583503,2340
1980,-0.300668,2340
1981,-0.228217,2340
1982,0.0955513,2340
1983,-0.11084,2340
1984,0.578405,2340
1985,-0.101267,2340
1986,-0.22043,2340
1987,0.0295982,2340
1988,0.837592,2340
1989,0.281246,2340
1990,0.734683,2340
1991,0.935337,2340
1992,-0.257265,2340
1993,0.833509,2340
1994,0.3928,2340
1995,-0.0097508,2340
1996,0.0527914,2340
1997,0.127514,2340
1998,1.18648,2340
1999,0.219652,2340
2000,0.38492,2340
2001,1.05086,2340
2002,0.581876,2340
2003,1.25871,2340
2004,0.520699,2340
2005,0.587981,2340
2006,0.545155,2340
2007,1.46517,2340
2008,0.618154,2340
2009,0.893374,2340
2010,1.31434,2340
2011,1.25848,2340
2012,1.50672,2340
2013,0.74475,2340
2014,0.654728,2340
2015,0.809119,2340
2016,1.70477,2340
2017,0.718177,2340
2018,0.554903,2340
2019,1.10721,2340
2020,1.25019,2340