Year,Value,NumPoints 1900,0.863746,68 1901,0.899453,68 1902,1.79291,68 1903,0.783566,68 1904,1.26059,68 1905,0.968205,68 1906,0.860034,68 1907,1.11558,68 1908,0.609385,68 1909,1.03197,68 1910,0.557021,68 1911,0.289622,68 1912,0.931072,68 1913,1.04805,68 1914,0.662898,68 1915,1.54246,68 1916,0.645799,68 1917,0.771277,68 1918,1.12781,68 1919,0.289751,68 1920,0.645893,68 1921,0.161527,68 1922,1.01392,68 1923,0.991415,68 1924,0.55795,68 1925,0.818978,68 1926,0.998531,68 1927,1.56218,68 1928,0.95885,68 1929,1.19194,68 1930,0.656826,68 1931,1.02178,68 1932,0.677829,68 1933,1.07292,68 1934,0.626755,68 1935,0.714837,68 1936,1.25929,68 1937,1.54807,68 1938,0.188568,68 1939,0.53336,68 1940,0.497345,68 1941,1.4562,68 1942,1.68557,68 1943,0.706185,68 1944,0.914817,68 1945,1.38491,68 1946,1.31726,68 1947,0.615621,68 1948,0.348177,68 1949,1.00165,68 1950,0.596076,68 1951,0.101499,68 1952,0.480715,68 1953,0.548972,68 1954,0.558269,68 1955,0.490712,68 1956,0.375173,68 1957,0.860241,68 1958,1.17764,68 1959,0.683339,68 1960,0.698419,68 1961,0.75335,68 1962,0.759665,68 1963,0.88512,68 1964,0.908694,68 1965,0.652102,68 1966,1.0021,68 1967,1.38279,68 1968,0.878425,68 1969,0.936902,68 1970,1.06105,68 1971,0.573983,68 1972,0.408597,68 1973,0.699917,68 1974,0.938432,68 1975,0.765812,68 1976,0.399075,68 1977,0.957173,68 1978,1.54225,68 1979,1.81246,68 1980,1.18457,68 1981,1.42441,68 1982,1.32338,68 1983,1.33788,68 1984,1.4229,68 1985,1.51172,68 1986,1.56798,68 1987,1.64856,68 1988,1.45477,68 1989,1.27097,68 1990,1.25013,68 1991,1.17684,68 1992,1.27468,68 1993,1.34783,68 1994,1.59539,68 1995,1.00352,68 1996,1.88474,68 1997,1.6563,68 1998,1.29516,68 1999,0.901439,68 2000,0.769578,68 2001,2.17634,68 2002,1.44457,68 2003,2.2388,68 2004,1.72938,68 2005,1.77282,68 2006,0.886182,68 2007,1.02642,68 2008,0.760745,68 2009,0.608379,68 2010,0.867232,68 2011,1.36452,68 2012,0.482607,68 2013,0.746506,68 2014,1.68113,68 2015,2.29613,68 2016,2.40757,68 2017,2.34827,68 2018,2.63062,68 2019,2.67965,68 2020,1.90696,68