Year,Value,NumPoints 1900,-0.0386969,2 1901,-0.234669,2 1902,0.542999,2 1903,1.00173,2 1904,0.122999,2 1905,0.959687,2 1906,0.377287,2 1907,-0.745987,2 1908,0.282695,2 1909,-1.69434,2 1910,-0.24293,2 1911,0.886716,2 1912,1.12219,2 1913,-1.13527,2 1914,0.149301,2 1915,0.939238,2 1916,1.18557,2 1917,-1.48199,2 1918,-1.11691,2 1919,-0.168185,2 1920,0.655903,2 1921,0.710175,2 1922,-0.214188,2 1923,0.365814,2 1924,-0.346698,2 1925,-0.507688,2 1926,1.5224,2 1927,-0.59271,2 1928,0.981898,2 1929,1.20284,2 1930,1.336,2 1931,0.224861,2 1932,-0.0896414,2 1933,-1.21633,2 1934,-0.14578,2 1935,-1.37774,2 1936,-1.76414,2 1937,0.93409,2 1938,1.72167,2 1939,-0.0410146,2 1940,2.04446,2 1941,-0.441312,2 1942,1.28752,2 1943,2.32257,2 1944,1.75158,2 1945,-0.0707027,2 1946,-0.108645,2 1947,0.459363,2 1948,-0.213871,2 1949,1.41284,2 1950,1.27726,2 1951,0.192537,2 1952,0.66874,2 1953,0.528408,2 1954,0.307235,2 1955,-0.739552,2 1956,-0.703387,2 1957,0.749464,2 1958,1.02171,2 1959,-1.1221,2 1960,-0.23796,2 1961,-1.31074,2 1962,1.54167,2 1963,0.622962,2 1964,-1.80072,2 1965,-0.344254,2 1966,-0.856597,2 1967,0.172478,2 1968,0.208681,2 1969,0.221464,2 1970,-0.567355,2 1971,-1.04631,2 1972,-0.239114,2 1973,1.0831,2 1974,-2.30125,2 1975,-0.893047,2 1976,0.664525,2 1977,0.884788,2 1978,1.1141,2 1979,1.72539,2 1980,0.455117,2 1981,2.80173,2 1982,-0.776015,2 1983,-0.484062,2 1984,-0.704461,2 1985,0.354947,2 1986,-0.29496,2 1987,1.38181,2 1988,1.4382,2 1989,1.76142,2 1990,0.24591,2 1991,0.607046,2 1992,0.47841,2 1993,3.11696,2 1994,0.92954,2 1995,1.75918,2 1996,0.252165,2 1997,1.59953,2 1998,4.25309,2 1999,0.60856,2 2000,0.513406,2 2001,1.78107,2 2002,2.3517,2 2003,1.39665,2 2004,-0.552743,2 2005,1.62952,2 2006,2.75207,2 2007,1.06076,2 2008,1.22216,2 2009,1.23241,2 2010,2.84169,2 2011,1.91164,2 2012,2.12651,2 2013,1.2615,2 2014,2.20008,2 2015,2.71242,2 2016,2.86212,2 2017,3.39268,2 2018,2.11232,2 2019,3.45077,2 2020,1.38339,2 2021,1.40069,2