Year,Value,NumPoints
1949,10.0366,51
1950,7.12403,51
1951,9.69608,51
1952,7.54166,51
1953,6.68033,51
1954,8.82307,51
1955,9.8077,51
1956,9.3148,51
1957,8.70255,51
1958,6.59427,51
1959,8.43463,51
1960,6.24711,51
1961,8.51029,51
1962,9.2203,51
1963,9.59038,51
1964,10.811,51
1965,10.8104,51
1966,8.18072,51
1967,11.4839,51
1968,6.97094,51
1969,6.5781,51
1970,8.94093,51
1971,9.18286,51
1972,9.57372,51
1973,7.46762,51
1974,8.17879,51
1975,9.10746,51
1976,6.70516,51
1977,7.12451,51
1978,7.41915,51
1979,8.9619,51
1980,7.64026,51
1981,6.77812,51
1982,9.39982,51
1983,6.91852,51
1984,8.33481,51
1985,10.0111,51
1986,8.01978,51
1987,6.6531,51
1988,6.49763,51
1989,11.136,51
1990,11.4557,51
1991,7.75371,51
1992,9.31479,51
1993,9.78995,51
1994,9.27353,51
1995,6.46138,51
1996,9.09197,51
1997,7.87081,51
1998,5.99224,51
1999,7.2477,51
2000,9.21815,51
2001,7.05537,51
2002,8.76005,51
2003,8.10266,51
2004,9.25767,51
2005,7.4464,51
2006,7.64215,51
2007,5.87168,51
2008,8.09869,51
2009,9.51654,51
2010,5.62333,51
2011,8.38107,51
2012,7.43516,51
2013,11.236,51
2014,7.18521,51
2015,9.92321,51
2016,5.74266,51
2017,8.44031,51
2018,9.12262,51
2019,10.1625,51
2020,10.3255,51
2021,11.4485,51