Year,Value,NumPoints 1900,4.53421,10 1901,4.85862,10 1902,3.99453,10 1903,4.00739,10 1904,4.09278,10 1905,3.65422,10 1906,3.2516,10 1907,4.6139,10 1908,3.16161,10 1909,2.95342,10 1910,4.47579,10 1911,3.72414,10 1912,3.57208,10 1913,3.92964,10 1914,3.89329,10 1915,4.3069,10 1916,4.12856,10 1917,3.9262,10 1918,3.95656,10 1919,2.84242,10 1920,2.7896,10 1921,2.51574,10 1922,4.1456,10 1923,4.64872,10 1924,3.26795,10 1925,3.44915,10 1926,4.00893,10 1927,5.05692,10 1928,4.09067,10 1929,4.28729,10 1930,4.40513,10 1931,3.81101,10 1932,3.83173,10 1933,4.83503,10 1934,3.21391,10 1935,4.27501,10 1936,4.17003,10 1937,4.85556,10 1938,4.26459,10 1939,3.03121,10 1940,3.64267,10 1941,4.66255,10 1942,4.78093,10 1943,3.78013,10 1944,4.65848,10 1945,4.83269,10 1946,4.66005,10 1947,4.84166,10 1948,3.48929,10 1949,4.16565,10 1950,4.16572,10 1951,3.30131,10 1952,3.79578,10 1953,3.50591,10 1954,3.85592,10 1955,3.76073,10 1956,4.18789,10 1957,4.74117,10 1958,4.44319,10 1959,4.39168,10 1960,3.71998,10 1961,3.74183,10 1962,4.0845,10 1963,4.57146,10 1964,4.72322,10 1965,3.88931,10 1966,4.3095,10 1967,4.1438,10 1968,4.20337,10 1969,4.33258,10 1970,4.41596,10 1971,4.44867,10 1972,3.75344,10 1973,3.71293,10 1974,4.46912,10 1975,4.26633,10 1976,3.74174,10 1977,4.09097,10 1978,4.56951,10 1979,4.72896,10 1980,4.3925,10 1981,4.41597,10 1982,4.49351,10 1983,3.82348,10 1984,4.86528,10 1985,4.91282,10 1986,4.58855,10 1987,4.69765,10 1988,4.26308,10 1989,3.95297,10 1990,4.40535,10 1991,5.18677,10 1992,4.53395,10 1993,4.09757,10 1994,4.41858,10 1995,4.2181,10 1996,5.02041,10 1997,4.99644,10 1998,4.41452,10 1999,4.48598,10 2000,3.71997,10 2001,4.47297,10 2002,3.9786,10 2003,4.53726,10 2004,4.49586,10 2005,4.70435,10 2006,4.66865,10 2007,3.84024,10 2008,3.71712,10 2009,3.75772,10 2010,4.27901,10 2011,4.33731,10 2012,3.68146,10 2013,3.867,10 2014,4.82662,10 2015,5.21546,10 2016,4.59594,10 2017,4.41055,10 2018,4.75078,10 2019,4.82144,10 2020,4.46746,10 2021,4.57133,10 2022,4.34068,10