Year,Value,NumPoints 1900,0.771948,2 1901,-1.02948,2 1902,-0.263644,2 1903,-0.936082,2 1904,-0.366508,2 1905,1.12268,2 1906,-0.548789,2 1907,-0.6855,2 1908,0.375394,2 1909,-1.09082,2 1910,-1.7776,2 1911,0.0699987,2 1912,1.21257,2 1913,0.190334,2 1914,1.74402,2 1915,0.0540592,2 1916,-0.59398,2 1917,-0.817384,2 1918,-1.94077,2 1919,-0.386613,2 1920,-1.94053,2 1921,0.443575,2 1922,0.243688,2 1923,0.72044,2 1924,-0.660007,2 1925,0.003577,2 1926,1.95182,2 1927,-0.265748,2 1928,0.509354,2 1929,1.48356,2 1930,-0.419637,2 1931,0.0430639,2 1932,-0.560871,2 1933,-1.05018,2 1934,0.573956,2 1935,0.666687,2 1936,0.993577,2 1937,1.48973,2 1938,1.07492,2 1939,-0.91364,2 1940,2.16401,2 1941,1.43954,2 1942,1.25935,2 1943,0.589247,2 1944,0.314473,2 1945,-0.407328,2 1946,-0.770483,2 1947,0.440037,2 1948,-0.362098,2 1949,0.346703,2 1950,1.55195,2 1951,0.366989,2 1952,0.195013,2 1953,0.372092,2 1954,-0.233928,2 1955,-1.38132,2 1956,-2.18309,2 1957,1.34364,2 1958,1.20421,2 1959,-0.357859,2 1960,0.650503,2 1961,-0.97461,2 1962,0.883335,2 1963,0.877123,2 1964,-1.71447,2 1965,-0.699038,2 1966,-0.559551,2 1967,1.88098,2 1968,-0.0985156,2 1969,0.741159,2 1970,0.0428446,2 1971,-1.71025,2 1972,-0.0345754,2 1973,-0.277169,2 1974,-0.709227,2 1975,-1.49975,2 1976,-1.30762,2 1977,0.492787,2 1978,2.36732,2 1979,1.64302,2 1980,0.679951,2 1981,1.70648,2 1982,0.657424,2 1983,1.20819,2 1984,-0.922496,2 1985,0.326408,2 1986,1.06092,2 1987,0.299712,2 1988,0.373794,2 1989,1.10518,2 1990,-0.194906,2 1991,0.745377,2 1992,-1.00333,2 1993,1.65169,2 1994,-0.410343,2 1995,1.1995,2 1996,0.911837,2 1997,1.52967,2 1998,1.34658,2 1999,-1.76854,2 2000,1.98075,2 2001,0.405418,2 2002,2.81971,2 2003,2.25181,2 2004,2.48892,2 2005,1.38878,2 2006,0.341657,2 2007,2.07882,2 2008,-0.356675,2 2009,0.465488,2 2010,0.737634,2 2011,1.27896,2 2012,-1.30079,2 2013,1.20907,2 2014,3.28856,2 2015,2.39381,2 2016,4.13073,2 2017,2.86694,2 2018,4.12243,2 2019,4.70198,2 2020,2.10262,2 2021,0.477061,2 2022,2.11066,2 2023,1.0291,2