Year,Value,NumPoints
1881,-1.79208,940
1882,-1.16598,940
1883,-0.944383,911
1884,-1.59855,986
1885,-2.11658,1122
1886,-1.73572,989
1887,0.0515817,1099
1888,-0.73555,1098
1889,-0.402525,1108
1890,-0.375559,1136
1891,-0.300863,1086
1892,0.0130836,1049
1893,-1.06979,1173
1894,-1.008,1286
1895,-0.252003,1226
1896,0.141496,1222
1897,-0.268704,1219
1898,-0.161255,1397
1899,-1.13499,1360
1900,-0.774568,1433
1901,-0.251651,1361
1902,-0.747102,1468
1903,-0.619023,1468
1904,-0.352699,1380
1905,-0.839719,1364
1906,0.1584,1274
1907,-0.546048,1390
1908,0.478643,1445
1909,-0.403444,1422
1910,-0.851605,1476
1911,-0.320228,1466
1912,0.47645,1452
1913,-0.314577,1453
1914,-0.309558,1456
1915,-0.0507067,1480
1916,-0.523331,1485
1917,-0.599172,1468
1918,-1.15037,1442
1919,-0.926136,1450
1920,-0.185539,1442
1921,0.240126,1535
1922,0.165723,1535
1923,0.0245946,1535
1924,-0.507341,1500
1925,-0.564259,1555
1926,-0.50798,1581
1927,0.369287,1572
1928,-0.0178016,1582
1929,-0.685305,1602
1930,0.433969,1602
1931,0.1544,2340
1932,-0.0769059,2340
1933,-0.861297,2340
1934,0.0432722,2340
1935,0.0472918,1602
1936,0.731399,2340
1937,0.771964,2340
1938,0.354683,2340
1939,0.482407,2340
1940,0.413277,2340
1941,0.164724,2340
1942,0.265027,2340
1943,0.853578,2340
1944,-0.0841014,1620
1945,0.239222,1620
1946,-0.166368,2340
1947,0.0544009,2340
1948,0.172279,2340
1949,-0.91183,2340
1950,-0.113456,2340
1951,-0.00204116,2340
1952,0.0774586,2340
1953,1.06137,2340
1954,0.294938,2340
1955,0.109912,2340
1956,-0.0671949,2340
1957,0.55834,2340
1958,0.0679289,2340
1959,0.431578,2340
1960,0.991293,2340
1961,0.341786,2340
1962,-0.1952,2340
1963,-0.65921,2340
1964,-0.306324,2340
1965,-0.832973,2340
1966,0.100669,2340
1967,-0.163572,2340
1968,-0.201295,2340
1969,-0.339913,2340
1970,-0.103337,2340
1971,0.339087,2340
1972,-0.60705,2340
1973,0.528355,2340
1974,-0.208047,2340
1975,0.237071,2340
1976,-0.227924,2340
1977,0.462521,2340
1978,-0.981664,2340
1979,-0.701004,2340
1980,-0.00633071,2340
1981,0.371411,2340
1982,-0.49858,2340
1983,0.0992754,2340
1984,0.682158,2340
1985,0.657397,2340
1986,-0.0494196,2340
1987,-0.371445,2340
1988,0.640747,2340
1989,0.694428,2340
1990,1.14821,2340
1991,0.956585,2340
1992,-0.444851,2340
1993,0.776152,2340
1994,0.607465,2340
1995,0.861737,2340
1996,-0.229567,2340
1997,0.471494,2340
1998,1.07122,2340
1999,0.382978,2340
2000,0.957841,2340
2001,0.844259,2340
2002,1.3501,2340
2003,0.62094,2340
2004,0.592664,2340
2005,1.35908,2340
2006,1.14094,2340
2007,1.09077,2340
2008,1.0382,2340
2009,0.676589,2340
2010,1.05151,2340
2011,1.62868,2340
2012,2.20861,2340
2013,1.64398,2340
2014,0.699791,2340
2015,1.52134,2340
2016,1.88961,2340
2017,0.876171,2340
2018,0.929473,2340
2019,2.1468,2340
2020,2.03125,2340