Year,Value,NumPoints
1952,6.15805,46
1953,8.10025,46
1954,7.78447,46
1955,7.77551,46
1956,8.57942,46
1957,8.50005,46
1958,8.51236,46
1959,7.79657,46
1960,8.66697,46
1961,7.18538,46
1962,8.23933,46
1963,7.70765,46
1964,7.29611,46
1965,7.26496,46
1966,8.02135,46
1967,9.13954,46
1968,8.06022,46
1969,8.68505,46
1970,7.63052,46
1971,6.96089,46
1972,7.41398,46
1973,7.39784,46
1974,8.9145,46
1975,7.54466,46
1976,7.86605,46
1977,9.02207,46
1978,8.63997,46
1979,8.80942,46
1980,8.11446,46
1981,8.75721,46
1982,7.34189,46
1983,8.75903,46
1984,8.09494,46
1985,7.70155,46
1986,7.7852,46
1987,8.13641,46
1988,7.87543,46
1989,8.66054,46
1990,8.32312,46
1991,9.07027,46
1992,7.14912,46
1993,8.50177,46
1994,7.98794,46
1995,8.4828,46
1996,8.47593,46
1997,9.17288,46
1998,7.94728,46
1999,7.70732,46
2000,7.95097,46
2001,7.93797,46
2002,9.29143,46
2003,9.42688,46
2004,9.46231,46
2005,9.75457,46
2006,8.77295,46
2007,9.22646,46
2008,8.37058,46
2009,8.15913,46
2010,8.65291,46
2011,8.06646,46
2012,7.47428,46
2013,8.85369,46
2014,10.3414,46
2015,9.23176,46
2016,10.5596,46
2017,9.7438,46
2018,10.5223,46
2019,10.8082,46