Year,Value,NumPoints
1899,-1.87358,420
1900,-0.805348,420
1901,-0.121283,420
1902,1.46977,420
1903,-0.0930255,420
1904,-0.902967,416
1905,-0.508175,416
1906,0.558856,403
1907,0.408617,422
1908,-0.835845,411
1909,-1.47346,413
1910,0.1066,422
1911,2.55682,413
1912,0.315737,415
1913,-0.789677,413
1914,1.51538,415
1915,-0.414667,415
1916,0.204893,415
1917,-2.27974,415
1918,-1.00333,413
1919,-0.304957,413
1920,-0.739853,413
1921,-0.118601,415
1922,0.154145,427
1923,2.07848,426
1924,-0.752932,427
1925,0.325052,427
1926,1.26517,425
1927,-0.0306609,425
1928,0.634698,425
1929,0.596603,425
1930,-0.232231,443
1931,0.855655,443
1932,0.338766,443
1933,-0.868136,443
1934,0.814998,427
1935,-0.310428,427
1936,-0.45366,443
1937,1.05206,443
1938,2.17359,443
1939,-0.532177,443
1940,1.37934,443
1941,0.494089,443
1942,1.55139,443
1943,1.66004,429
1944,1.10731,429
1945,1.08763,429
1946,0.803332,443
1947,1.35309,443
1948,0.766841,443
1949,-0.0481346,443
1950,-0.710076,443
1951,-1.14439,443
1952,0.783704,443
1953,-0.00231021,443
1954,0.995846,443
1955,1.65764,443
1956,-2.11707,445
1957,0.706536,445
1958,-0.328567,445
1959,-1.13511,445
1960,1.25649,445
1961,-1.34546,445
1962,0.860413,445
1963,0.370209,445
1964,-0.161928,445
1965,-1.24595,445
1966,-0.618469,445
1967,-0.125363,445
1968,0.855294,445
1969,1.43178,445
1970,-0.063154,445
1971,0.0957727,445
1972,-0.93045,445
1973,1.00086,445
1974,-1.09563,445
1975,-0.168716,445
1976,-0.416108,445
1977,0.872432,445
1978,-1.99814,445
1979,0.743177,445
1980,1.2728,445
1981,1.11103,445
1982,-0.765947,445
1983,-0.706672,445
1984,0.154706,445
1985,-0.76518,445
1986,-1.48303,445
1987,0.853036,445
1988,0.788181,445
1989,-0.36093,445
1990,-1.14845,445
1991,-0.215566,445
1992,0.0350651,445
1993,1.5836,445
1994,0.585856,445
1995,0.428953,445
1996,-1.67503,445
1997,-0.880041,445
1998,1.87198,445
1999,-0.310636,445
2000,0.17582,445
2001,0.41075,445
2002,2.49949,445
2003,3.12326,445
2004,1.23318,445
2005,1.4364,445
2006,3.13715,445
2007,0.988224,445
2008,0.384044,445
2009,0.94217,445
2010,2.82718,445
2011,1.69414,445
2012,1.49667,445
2013,2.90824,445
2014,1.36569,445
2015,1.70965,445
2016,1.80633,445
2017,2.10037,445
2018,1.40225,445
2019,3.42327,445
2020,2.24442,445
2021,4.22987,445
2022,2.35693,445