Year,Value,NumPoints
1949,21.2106,199
1950,21.3986,199
1951,21.6851,199
1952,21.5055,199
1953,21.9042,199
1954,21.9561,199
1955,22.1588,199
1956,21.3762,199
1957,21.815,199
1958,22.3928,199
1959,22.4105,199
1960,21.6652,199
1961,22.163,199
1962,21.9962,199
1963,22.0083,199
1964,21.8996,199
1965,22.1299,199
1966,21.5787,199
1967,21.8357,199
1968,21.7325,199
1969,21.7431,199
1970,21.5737,199
1971,21.5247,199
1972,21.6131,199
1973,22.4349,199
1974,21.2865,199
1975,21.6088,199
1976,20.9704,199
1977,21.4598,199
1978,21.6287,199
1979,22.0388,199
1980,22.3656,199
1981,21.8864,199
1982,21.6218,199
1983,21.9829,199
1984,21.4576,199
1985,21.6817,199
1986,21.7324,199
1987,21.601,199
1988,22.3132,199
1989,21.4906,199
1990,21.975,199
1991,22.0324,199
1992,21.4261,199
1993,21.6888,199
1994,21.1646,199
1995,21.6822,199
1996,21.9684,199
1997,21.8242,199
1998,22.4512,199
1999,21.6448,199
2000,21.3598,199
2001,21.5273,199
2002,21.9043,199
2003,21.8853,199
2004,21.7593,199
2005,22.4133,199
2006,21.8609,199
2007,22.0104,199
2008,21.708,199
2009,22.1941,199
2010,21.7703,199
2011,21.5586,199
2012,21.6644,199
2013,22.7008,199
2014,22.248,199
2015,22.1534,199
2016,22.4362,199
2017,22.3342,199
2018,22.2603,199
2019,22.4884,199