Year,Value,NumPoints 1900,-2.63226,1739 1901,-2.20402,1676 1902,-2.10989,1710 1903,-1.57398,1757 1904,-0.860545,1721 1905,-0.2978,1716 1906,-3.54927,1606 1907,-2.39708,1750 1908,-1.83964,1809 1909,-3.45505,1758 1910,-1.51465,1840 1911,-2.5076,1804 1912,0.236914,1830 1913,-2.56142,1834 1914,-1.36531,1817 1915,-1.95763,1830 1916,-0.308229,1845 1917,-0.592968,1842 1918,-2.78157,1824 1919,-1.73755,1806 1920,-0.601862,1752 1921,-0.114446,1788 1922,0.420009,1840 1923,-0.876029,1852 1924,-0.371019,1844 1925,0.520676,1860 1926,2.41208,1862 1927,-0.863061,1929 1928,1.15474,1929 1929,1.07084,1949 1930,2.86346,1925 1931,-0.804351,2700 1932,0.317438,2700 1933,0.621293,2700 1934,1.11842,2692 1935,-1.0753,1949 1936,-1.00419,1958 1937,3.75538,2700 1938,2.10797,2700 1939,-0.393869,2700 1940,2.08794,2700 1941,-0.944104,2700 1942,3.22631,2700 1943,0.334562,2700 1944,2.2376,1980 1945,1.70871,1980 1946,0.414897,2700 1947,1.04317,2700 1948,0.496579,2700 1949,0.46126,2700 1950,0.176868,2700 1951,-1.74722,2700 1952,-0.769464,2700 1953,-0.219511,2700 1954,-0.163175,2700 1955,2.307,2700 1956,0.243445,2700 1957,1.28046,2700 1958,1.41309,2700 1959,0.547844,2700 1960,0.469508,2700 1961,0.250207,2700 1962,1.22552,2700 1963,1.0955,2700 1964,-0.983018,2700 1965,-0.427686,2700 1966,-3.00358,2700 1967,-1.0722,2700 1968,-0.512727,2700 1969,-0.419559,2700 1970,-0.31161,2700 1971,-1.09396,2700 1972,-1.105,2700 1973,0.318596,2700 1974,-0.186363,2700 1975,-0.818493,2700 1976,0.216252,2700 1977,2.76095,2700 1978,0.512868,2700 1979,-0.282426,2700 1980,0.47599,2700 1981,3.88245,2700 1982,-1.74644,2700 1983,0.78642,2700 1984,1.48895,2700 1985,1.37188,2700 1986,-0.130586,2700 1987,0.0105556,2700 1988,0.711196,2700 1989,-1.44225,2700 1990,-0.389541,2700 1991,0.669625,2700 1992,1.12777,2700 1993,0.811671,2700 1994,-0.440368,2700 1995,1.48379,2700 1996,0.814786,2700 1997,-0.0556121,2700 1998,0.215948,2700 1999,-0.487419,2700 2000,0.363433,2700 2001,1.53509,2700 2002,1.17159,2700 2003,2.09114,2700 2004,0.515617,2700 2005,2.46644,2700 2006,0.90872,2700 2007,3.49414,2700 2008,1.75266,2700 2009,2.51169,2700 2010,1.43539,2700 2011,3.09739,2700 2012,1.91172,2700 2013,1.83309,2700 2014,2.08069,2700 2015,2.11495,2700 2016,4.52532,2700 2017,3.38072,2700 2018,3.12586,2700 2019,1.64595,2700 2020,2.31278,2700 2021,2.62397,2700 2022,2.75393,2700 2023,2.22067,2700