Year,Value,NumPoints
1881,-0.779911,342
1882,-1.24495,345
1883,-1.82068,345
1884,-1.57955,381
1885,-0.854428,388
1886,-1.28266,389
1887,-2.12168,373
1888,-1.20525,376
1889,0.134486,384
1890,-1.28003,393
1891,-0.563167,360
1892,-0.725119,352
1893,-1.50281,382
1894,-0.948392,387
1895,-0.443894,398
1896,-1.12002,391
1897,-1.01602,403
1898,-0.515484,397
1899,-1.33081,397
1900,0.0149365,402
1901,-0.0796545,400
1902,-0.348528,399
1903,-0.385876,401
1904,-0.988832,396
1905,-0.0653012,397
1906,-0.132813,389
1907,-1.55669,399
1908,-0.234822,399
1909,-1.15274,394
1910,-0.163129,403
1911,-0.639921,395
1912,-0.268926,395
1913,-0.588662,392
1914,-0.802646,395
1915,0.554621,396
1916,-0.813015,395
1917,-1.56003,392
1918,-0.885163,394
1919,-0.600284,393
1920,-0.417742,393
1921,0.156473,396
1922,-0.709777,404
1923,-0.231874,405
1924,-0.248946,406
1925,-0.215534,406
1926,-0.0115967,405
1927,-0.511634,404
1928,0.612709,405
1929,-0.532076,406
1930,0.501119,407
1931,1.34966,412
1932,-0.244987,413
1933,-0.850661,414
1934,0.0643259,411
1935,-0.624951,407
1936,-0.780721,412
1937,0.258457,414
1938,0.804862,414
1939,0.223484,414
1940,0.728715,414
1941,0.621512,414
1942,0.588497,414
1943,0.246996,412
1944,0.93157,409
1945,-0.0293917,409
1946,0.0906437,414
1947,0.505313,414
1948,-0.103677,414
1949,0.100856,414
1950,-0.977617,414
1951,-0.570315,414
1952,0.75483,414
1953,1.01105,414
1954,0.177114,414
1955,-0.268139,414
1956,-0.585032,414
1957,0.0355133,414
1958,0.580258,414
1959,-0.206851,414
1960,0.442423,414
1961,-0.0769011,414
1962,0.0621479,414
1963,0.350191,414
1964,-0.409113,414
1965,-0.485035,414
1966,-0.235424,414
1967,-0.262703,414
1968,0.154397,414
1969,0.264063,414
1970,-0.193867,414
1971,-0.118675,414
1972,-1.56734,414
1973,0.646409,414
1974,-0.481689,414
1975,-0.0988795,414
1976,0.194255,414
1977,0.861892,414
1978,-0.339359,414
1979,-0.0952001,414
1980,0.459716,414
1981,1.79401,414
1982,-0.791677,414
1983,0.341296,414
1984,0.367348,414
1985,-0.00675669,414
1986,0.279066,414
1987,1.51817,414
1988,0.948739,414
1989,-0.0486916,414
1990,0.288219,414
1991,0.720476,414
1992,0.250263,414
1993,0.396355,414
1994,0.545333,414
1995,0.613128,414
1996,-0.127639,414
1997,0.698771,414
1998,2.21567,414
1999,1.56957,414
2000,0.848809,414
2001,1.65645,414
2002,0.795934,414
2003,1.06291,414
2004,0.30862,414
2005,1.54328,414
2006,2.20426,414
2007,0.966625,414
2008,0.563468,414
2009,0.723239,414
2010,2.55585,414
2011,1.27226,414
2012,1.85793,414
2013,0.804113,414
2014,0.731692,414
2015,1.44534,414
2016,2.25667,414
2017,1.5525,414
2018,0.795183,414
2019,1.12292,414
2020,1.35755,414
2021,1.97964,414
2022,1.2385,414