Year,Value,NumPoints
1900,1.33659,422
1901,0.861546,409
1902,1.22948,420
1903,-1.28043,417
1904,-5.13188,407
1905,-0.786793,416
1906,-2.99764,410
1907,-5.22307,416
1908,-0.535169,422
1909,-3.18748,412
1910,-5.29892,422
1911,-1.97541,416
1912,2.48338,418
1913,1.635,416
1914,-4.3725,416
1915,-1.77105,415
1916,-0.164219,415
1917,1.56637,415
1918,-3.12263,415
1919,-2.81842,416
1920,1.94687,413
1921,-1.85807,416
1922,-3.98494,425
1923,0.994245,427
1924,-0.411258,427
1925,-3.21631,426
1926,-0.159558,426
1927,0.713939,425
1928,2.13559,425
1929,3.53533,427
1930,-1.84889,424
1931,2.34358,443
1932,-1.61211,443
1933,-0.36667,443
1934,1.17809,443
1935,0.947114,427
1936,-1.60511,427
1937,-0.375135,443
1938,-0.991523,443
1939,-2.44517,443
1940,2.96555,443
1941,3.9441,443
1942,0.899509,443
1943,0.157482,443
1944,1.67904,429
1945,1.07487,429
1946,-0.572182,443
1947,3.67803,443
1948,-1.25661,443
1949,-3.89852,443
1950,-2.93831,443
1951,-1.67748,443
1952,-0.0513201,443
1953,1.82251,443
1954,-0.745163,443
1955,-1.57296,443
1956,-0.413101,443
1957,-0.155636,445
1958,-0.272233,445
1959,0.982574,445
1960,2.48123,445
1961,-1.37961,445
1962,-0.339681,445
1963,2.58638,445
1964,1.75401,445
1965,-0.901333,445
1966,0.741894,445
1967,-1.80831,445
1968,-0.191085,445
1969,1.8668,445
1970,1.25007,445
1971,-0.13066,445
1972,-3.05092,445
1973,-1.9689,445
1974,-1.58017,445
1975,0.132315,445
1976,-1.53776,445
1977,2.77818,445
1978,3.03069,445
1979,-5.72538,445
1980,4.067,445
1981,1.80892,445
1982,-0.464135,445
1983,-0.884065,445
1984,-1.59313,445
1985,-1.55615,445
1986,3.71641,445
1987,0.628139,445
1988,2.25999,445
1989,0.640497,445
1990,-4.07679,445
1991,1.30602,445
1992,-1.62402,445
1993,0.640603,445
1994,-1.24318,445
1995,-0.0845274,445
1996,2.01918,445
1997,1.53434,445
1998,1.44432,445
1999,0.173642,445
2000,3.16928,445
2001,1.87773,445
2002,-0.590719,445
2003,1.22894,445
2004,1.97965,445
2005,2.74692,445
2006,4.11129,445
2007,2.46745,445
2008,-0.59429,445
2009,1.2365,445
2010,5.66888,445
2011,1.74972,445
2012,4.12647,445
2013,1.85249,445
2014,1.75467,445
2015,0.182834,445
2016,3.66411,445
2017,2.36996,445
2018,1.88571,445
2019,2.07116,445
2020,-0.259917,445
2021,1.21988,445
2022,0.235493,445
2023,-0.363001,445