Year,Value,NumPoints
1881,-3.26524,328
1882,-0.445386,337
1883,-2.94642,338
1884,-3.12436,379
1885,-2.40759,387
1886,-2.15564,389
1887,-4.2919,387
1888,-2.74956,372
1889,0.927263,387
1890,-2.83029,391
1891,-0.740027,385
1892,0.166184,348
1893,-1.77899,380
1894,-3.22938,387
1895,-0.516995,399
1896,-1.3898,394
1897,-0.763536,400
1898,-0.512794,404
1899,-2.4841,392
1900,-0.429834,402
1901,-0.46671,394
1902,1.13198,398
1903,-1.02964,401
1904,-2.47898,393
1905,-1.33233,397
1906,-0.228594,393
1907,-3.19289,394
1908,1.06521,404
1909,-2.48863,392
1910,-1.45158,400
1911,-2.13379,397
1912,-0.129282,396
1913,-0.792197,395
1914,-0.981939,394
1915,0.172478,395
1916,-0.827038,397
1917,-2.22786,395
1918,-4.14526,395
1919,0.756265,394
1920,-0.815253,393
1921,0.488947,394
1922,-1.08331,405
1923,-1.91061,406
1924,0.524021,406
1925,-2.30632,406
1926,2.25644,406
1927,-0.17638,405
1928,0.301215,405
1929,0.570162,406
1930,-1.0846,404
1931,3.6631,414
1932,0.350628,414
1933,-0.652132,414
1934,-1.63588,414
1935,-0.658273,407
1936,-2.69404,407
1937,-0.995266,414
1938,-0.503977,414
1939,0.107871,414
1940,2.81221,414
1941,1.59042,414
1942,1.62592,414
1943,-0.709454,414
1944,2.28482,409
1945,1.6721,409
1946,-0.54773,414
1947,0.243825,414
1948,0.414211,414
1949,-1.74127,414
1950,-2.37968,414
1951,-0.0280604,414
1952,-0.929623,414
1953,2.35064,414
1954,0.468445,414
1955,0.931148,414
1956,-0.732074,414
1957,-1.19334,414
1958,1.62853,414
1959,-0.675124,414
1960,2.27693,414
1961,1.05283,414
1962,-1.26143,414
1963,0.687081,414
1964,1.36084,414
1965,-1.7403,414
1966,-0.43842,414
1967,-0.0371266,414
1968,0.449362,414
1969,-0.474155,414
1970,1.22104,414
1971,-1.24341,414
1972,-2.90332,414
1973,-0.540666,414
1974,-0.501695,414
1975,0.4371,414
1976,0.120098,414
1977,1.49314,414
1978,-0.272035,414
1979,-1.90788,414
1980,1.59372,414
1981,2.28504,414
1982,-1.02658,414
1983,1.35039,414
1984,0.472816,414
1985,-0.221129,414
1986,1.90528,414
1987,3.1072,414
1988,1.823,414
1989,0.14307,414
1990,-0.141587,414
1991,0.247279,414
1992,1.84167,414
1993,-0.094092,414
1994,-1.0651,414
1995,1.92314,414
1996,-0.427305,414
1997,0.798304,414
1998,3.05098,414
1999,2.38367,414
2000,2.66653,414
2001,1.28731,414
2002,2.83476,414
2003,2.17855,414
2004,1.35863,414
2005,0.965291,414
2006,3.7782,414
2007,2.82735,414
2008,0.673901,414
2009,0.292759,414
2010,3.34083,414
2011,1.84886,414
2012,3.72201,414
2013,1.92176,414
2014,-0.107617,414
2015,1.31729,414
2016,4.15226,414
2017,2.77542,414
2018,1.61098,414
2019,1.23049,414
2020,2.16558,414
2021,3.37327,414
2022,0.634215,414
2023,1.99933,414
2024,4.97044,414