Year,Value,NumPoints
1949,4.8052,51
1950,3.68438,51
1951,4.98016,51
1952,3.19918,51
1953,2.81715,51
1954,4.60352,51
1955,4.98111,51
1956,4.50622,51
1957,4.83368,51
1958,2.61672,51
1959,3.82455,51
1960,2.77603,51
1961,3.8987,51
1962,4.85165,51
1963,4.70489,51
1964,5.36742,51
1965,5.32102,51
1966,3.95069,51
1967,6.00034,51
1968,3.12346,51
1969,2.57067,51
1970,4.15659,51
1971,4.21609,51
1972,4.15197,51
1973,3.42062,51
1974,3.8018,51
1975,3.92384,51
1976,2.44372,51
1977,3.07833,51
1978,3.08358,51
1979,4.11273,51
1980,2.95406,51
1981,2.83894,51
1982,4.09994,51
1983,2.68358,51
1984,4.09145,51
1985,4.56293,51
1986,3.39059,51
1987,2.74126,51
1988,2.14278,51
1989,5.56052,51
1990,5.59058,51
1991,3.42349,51
1992,4.71314,51
1993,4.8628,51
1994,4.14387,51
1995,2.37037,51
1996,4.43148,51
1997,3.42885,51
1998,2.07991,51
1999,3.04313,51
2000,4.17011,51
2001,3.11808,51
2002,4.3916,51
2003,3.99161,51
2004,4.25805,51
2005,3.15729,51
2006,3.6676,51
2007,1.96556,51
2008,3.40304,51
2009,4.45143,51
2010,1.92017,51
2011,3.33668,51
2012,2.88289,51
2013,5.47332,51
2014,2.78573,51
2015,4.47515,51
2016,2.3547,51
2017,3.96388,51
2018,3.91874,51
2019,4.60134,51
2020,4.49458,51
2021,5.53314,51