Year,Value,NumPoints 1895,-0.999714,33 1896,-4.16135,63 1897,-1.8733,63 1898,-2.43539,74 1899,-1.65588,74 1900,-1.04963,74 1901,-3.08157,74 1902,0.528746,74 1903,-1.77278,74 1904,-0.181712,74 1905,0.70925,74 1906,0.414482,74 1907,1.34441,74 1908,0.00712077,74 1909,-0.789683,74 1910,-0.675756,74 1911,-1.0044,74 1912,1.51043,74 1913,-0.30888,74 1914,-0.317596,74 1915,1.62967,74 1916,-0.635725,74 1917,-1.05424,74 1918,-1.6042,74 1919,-0.531481,74 1920,-2.12995,74 1921,-0.740772,74 1922,-2.08983,74 1923,-0.000933379,74 1924,-0.3111,74 1925,0.735847,74 1926,0.555174,74 1927,-0.579599,74 1928,-0.25504,74 1929,0.0332071,74 1930,-0.0949689,74 1931,-1.56146,74 1932,-0.528893,74 1933,-0.145906,74 1934,-0.362079,74 1935,-1.67906,74 1936,0.332579,74 1937,-1.3399,74 1938,0.0552271,74 1939,-0.79092,74 1940,1.684,74 1941,0.303712,74 1942,1.87213,74 1943,0.926782,74 1944,0.274999,74 1945,-1.57977,74 1946,0.260991,74 1947,0.615021,74 1948,-0.397648,74 1949,-1.70407,74 1950,-0.393864,74 1951,0.964369,74 1952,-2.42334,74 1953,1.23155,74 1954,1.08444,74 1955,-1.11518,74 1956,-0.000308551,74 1957,0.906957,74 1958,0.173532,74 1959,0.282239,74 1960,1.71937,74 1961,1.08797,74 1962,-1.17526,74 1963,0.865602,74 1964,-2.91309,74 1965,-1.89156,74 1966,-1.52564,74 1967,0.308215,74 1968,0.347448,74 1969,1.24289,74 1970,0.480318,74 1971,-1.65929,74 1972,-0.706261,74 1973,-0.105693,74 1974,0.454794,74 1975,-0.0991093,74 1976,-0.453963,74 1977,-0.178108,74 1978,0.769961,74 1979,1.39881,74 1980,0.925756,74 1981,2.87385,74 1982,-1.10399,74 1983,0.681107,74 1984,-0.126986,74 1985,-0.574015,74 1986,-0.190626,74 1987,0.561655,74 1988,1.12229,74 1989,0.454292,74 1990,2.38778,74 1991,1.51376,74 1992,-1.33692,74 1993,2.55943,74 1994,1.29415,74 1995,2.52453,74 1996,1.32571,74 1997,1.59649,74 1998,1.26109,74 1999,-0.252338,74 2000,-0.899978,74 2001,-1.65617,74 2002,1.5088,74 2003,0.479345,74 2004,2.77732,74 2005,3.31355,74 2006,1.45629,74 2007,1.02504,74 2008,0.87951,74 2009,1.57255,74 2010,2.2349,74 2011,1.73598,74 2012,0.0157649,74 2013,-0.756566,74 2014,2.54782,74 2015,4.01302,74 2016,3.38046,74 2017,1.65235,74 2018,1.11691,74 2019,2.9476,74 2020,2.90346,74 2021,1.31134,74