Year,Value,NumPoints 1899,7.66734,43 1900,8.50667,43 1901,6.76164,43 1902,7.90547,43 1903,6.90146,43 1904,6.46166,43 1905,7.73103,43 1906,7.78329,43 1907,6.35037,43 1908,6.50813,43 1909,6.2714,43 1910,6.49682,43 1911,7.16704,43 1912,8.0422,43 1913,7.83372,43 1914,7.54311,43 1915,8.48992,43 1916,6.71903,43 1917,7.1434,43 1918,6.87482,43 1919,7.07938,43 1920,7.33021,43 1921,7.6279,43 1922,7.43552,43 1923,7.8707,43 1924,7.38297,43 1925,7.36396,43 1926,8.9638,43 1927,7.90811,43 1928,7.54136,43 1929,8.40292,43 1930,7.96416,43 1931,8.00774,43 1932,7.65174,43 1933,7.55993,43 1934,8.22048,43 1935,8.1222,43 1936,9.36153,43 1937,8.52815,43 1938,7.83846,43 1939,7.67904,43 1940,8.7545,43 1941,9.37946,43 1942,8.97747,43 1943,7.63219,43 1944,8.29056,43 1945,8.42983,43 1946,7.91124,43 1947,7.31512,43 1948,7.35638,43 1949,7.44516,43 1950,7.2855,43 1951,7.89384,43 1952,7.86605,43 1953,8.11871,43 1954,8.28289,43 1955,7.87648,43 1956,8.03581,43 1957,8.89685,43 1958,8.90317,43 1959,8.58504,43 1960,8.19796,43 1961,8.42927,43 1962,8.41049,43 1963,8.8119,43 1964,7.91334,43 1965,7.50008,43 1966,7.62835,43 1967,8.16241,43 1968,8.09875,43 1969,7.62188,43 1970,8.02755,43 1971,6.95675,43 1972,7.06949,43 1973,7.26899,43 1974,7.91031,43 1975,7.16289,43 1976,7.55959,43 1977,8.43138,43 1978,8.03532,43 1979,8.50302,43 1980,8.02709,43 1981,8.70099,43 1982,7.67563,43 1983,8.78524,43 1984,8.77222,43 1985,7.78722,43 1986,8.29043,43 1987,8.358,43 1988,8.10284,43 1989,8.31606,43 1990,8.16418,43 1991,7.9233,43 1992,8.09559,43 1993,8.6232,43 1994,8.29941,43 1995,7.98478,43 1996,8.07011,43 1997,8.93704,43 1998,8.59507,43 1999,7.63036,43 2000,7.961,43 2001,8.00803,43 2002,8.33919,43 2003,8.87728,43 2004,8.74522,43 2005,9.05039,43 2006,8.06882,43 2007,7.73673,43 2008,7.52224,43 2009,7.76774,43 2010,8.31675,43 2011,8.07179,43 2012,7.54331,43 2013,8.42397,43 2014,9.36304,43 2015,9.34759,43 2016,9.7143,43 2017,8.6698,43 2018,9.18101,43 2019,9.69959,43 2020,8.85966,43