Year,Value,NumPoints
1900,-0.0444503,31211
1901,-0.0791622,31210
1902,-0.342807,31271
1903,-0.395399,31304
1904,-0.436844,31290
1905,-0.320906,31287
1906,-0.182654,31267
1907,-0.427764,31308
1908,-0.405394,31314
1909,-0.449617,31309
1910,-0.421994,31313
1911,-0.365297,31305
1912,-0.422239,31313
1913,-0.425226,31319
1914,-0.187188,31313
1915,-0.1164,31315
1916,-0.393291,31316
1917,-0.54668,31314
1918,-0.431897,31314
1919,-0.334743,31304
1920,-0.227237,31304
1921,-0.0810856,31318
1922,-0.231163,31299
1923,-0.188421,31273
1924,-0.130632,31307
1925,-0.100248,31315
1926,0.0482987,31314
1927,-0.0834535,31318
1928,-0.0605592,31318
1929,-0.302412,31319
1930,0.0169311,31320
1931,0.067649,31320
1932,-0.0137365,31320
1933,-0.244073,31319
1934,-0.0476639,31320
1935,-0.118431,31317
1936,-0.0655727,31319
1937,0.138281,31318
1938,0.176027,31317
1939,0.065092,31315
1940,0.150745,31317
1941,0.0689495,31317
1942,0.148851,31318
1943,0.19724,31311
1944,0.268788,31296
1945,0.134741,31237
1946,0.0410881,31303
1947,0.112047,31320
1948,0.0274892,31320
1949,-0.0337731,31320
1950,-0.131577,31319
1951,0.0933449,31320
1952,0.114632,31320
1953,0.252784,31320
1954,0.0370058,31320
1955,-0.0469057,31320
1956,-0.215347,31320
1957,0.0248555,31320
1958,0.149919,31320
1959,0.105367,31320
1960,0.0748056,31319
1961,0.0633935,31320
1962,0.129169,31320
1963,0.12609,31320
1964,-0.211661,31320
1965,-0.155019,31320
1966,-0.0250658,31320
1967,0.0242188,31320
1968,-0.0875646,31320
1969,-0.0719457,31320
1970,-0.0792089,31320
1971,-0.159744,31320
1972,-0.227264,31320
1973,0.0844393,31320
1974,-0.189142,31320
1975,-0.050911,31320
1976,-0.20835,31320
1977,0.137051,31320
1978,0.0461714,31320
1979,0.0767799,31320
1980,0.188103,31320
1981,0.411946,31320
1982,0.0300907,31320
1983,0.223256,31320
1984,0.0294473,31320
1985,0.0159092,31320
1986,0.112839,31320
1987,0.217778,31320
1988,0.362198,31320
1989,0.281003,31320
1990,0.516902,31320
1991,0.421019,31320
1992,0.121705,31320
1993,0.240327,31320
1994,0.383768,31320
1995,0.65171,31320
1996,0.358939,31320
1997,0.562986,31320
1998,0.767512,31320
1999,0.558447,31320
2000,0.557532,31320
2001,0.696186,31320
2002,0.730838,31320
2003,0.777231,31320
2004,0.689278,31320
2005,0.917686,31320
2006,0.884879,31320
2007,0.913237,31320
2008,0.739807,31320
2009,0.772441,31320
2010,0.997187,31320
2011,0.813699,31320
2012,0.871768,31320
2013,0.83588,31320
2014,0.970497,31320
2015,1.18413,31320
2016,1.34972,31320
2017,1.21377,31320
2018,1.05482,31320
2019,1.22089,31320
2020,1.37092,31320
2021,1.1824,31320