Year,Value,NumPoints 1900,4.26111,23 1901,4.06463,23 1902,3.3822,23 1903,3.36075,23 1904,3.16024,23 1905,3.27026,23 1906,3.14612,23 1907,4.62636,23 1908,2.6942,23 1909,3.01844,23 1910,4.36281,23 1911,3.85922,23 1912,3.14451,23 1913,3.81436,23 1914,3.4708,23 1915,3.71947,23 1916,3.50239,23 1917,3.82134,23 1918,4.09262,23 1919,2.68678,23 1920,2.57418,23 1921,2.84393,23 1922,3.88966,23 1923,4.19201,23 1924,2.9302,23 1925,3.58753,23 1926,3.6903,23 1927,4.21614,23 1928,3.64768,23 1929,3.75475,23 1930,3.80931,23 1931,3.67097,23 1932,3.32033,23 1933,4.39413,23 1934,3.64586,23 1935,3.58692,23 1936,3.96078,23 1937,4.25524,23 1938,4.24986,23 1939,3.19911,23 1940,3.7238,23 1941,4.06063,23 1942,4.15336,23 1943,3.96003,23 1944,4.35841,23 1945,4.32976,23 1946,4.19261,23 1947,4.40371,23 1948,3.27191,23 1949,3.80958,23 1950,4.03851,23 1951,3.33737,23 1952,3.71193,23 1953,3.21264,23 1954,3.68736,23 1955,3.38458,23 1956,4.25994,23 1957,4.73151,23 1958,3.99597,23 1959,3.81642,23 1960,3.33045,23 1961,3.40099,23 1962,3.7671,23 1963,4.13327,23 1964,4.23388,23 1965,3.69768,23 1966,3.87257,23 1967,3.79499,23 1968,3.80404,23 1969,4.06306,23 1970,3.95044,23 1971,4.29174,23 1972,3.59724,23 1973,3.42732,23 1974,4.15957,23 1975,3.91502,23 1976,3.5756,23 1977,3.57946,23 1978,3.98384,23 1979,4.01022,23 1980,3.88544,23 1981,3.93804,23 1982,4.19618,23 1983,3.47681,23 1984,4.21486,23 1985,4.28452,23 1986,3.94544,23 1987,3.93539,23 1988,3.74843,23 1989,3.79165,23 1990,4.00803,23 1991,4.9977,23 1992,4.03277,23 1993,3.68595,23 1994,3.73061,23 1995,3.87273,23 1996,4.68568,23 1997,4.74212,23 1998,4.15789,23 1999,3.93134,23 2000,3.50756,23 2001,3.6476,23 2002,3.56515,23 2003,3.7175,23 2004,4.05772,23 2005,3.97207,23 2006,4.29919,23 2007,3.797,23 2008,3.65815,23 2009,3.82024,23 2010,3.86791,23 2011,4.31362,23 2012,3.6866,23 2013,3.89963,23 2014,4.42082,23 2015,4.41943,23 2016,3.83274,23 2017,3.93352,23 2018,4.41418,23 2019,4.453,23 2020,4.13156,23 2021,4.32588,23 2022,4.53189,23