Year,Value,NumPoints
1949,283.318,51
1950,295.184,51
1951,298.095,51
1952,315.621,51
1953,304.11,51
1954,296.388,51
1955,290.532,51
1956,297.365,51
1957,295.093,51
1958,279.958,51
1959,318.946,51
1960,295.727,51
1961,323.642,51
1962,310.308,51
1963,287.905,51
1964,323.739,51
1965,266.631,51
1966,315.09,51
1967,266.98,51
1968,290.776,51
1969,296.378,51
1970,289.392,51
1971,328.335,51
1972,328.821,51
1973,315.865,51
1974,315.298,51
1975,318.681,51
1976,327.501,51
1977,320.301,51
1978,300.412,51
1979,295.35,51
1980,311.616,51
1981,294.937,51
1982,301.096,51
1983,293.317,51
1984,294.21,51
1985,323.291,51
1986,312.255,51
1987,282.757,51
1988,299.549,51
1989,291.031,51
1990,273.891,51
1991,290.151,51
1992,317.599,51
1993,282.845,51
1994,310.177,51
1995,295.84,51
1996,278.623,51
1997,283.876,51
1998,279.526,51
1999,325.01,51
2000,292.388,51
2001,298.882,51
2002,281.874,51
2003,305.872,51
2004,301.926,51
2005,312.551,51
2006,303.934,51
2007,326.126,51
2008,306.377,51
2009,312.166,51
2010,316.345,51
2011,273.348,51
2012,325.276,51
2013,294.495,51
2014,301.005,51
2015,293.515,51
2016,304.519,51
2017,311.456,51
2018,300.339,51
2019,257.576,51
2020,249.374,51