Year,Value,NumPoints 1949,262.152,33 1950,237.424,33 1951,302.923,33 1952,283.179,33 1953,282.373,33 1954,289.095,33 1955,284.722,33 1956,300.882,33 1957,242.88,33 1958,303.85,33 1959,290.076,33 1960,266.009,33 1961,286.129,33 1962,257.386,33 1963,213.327,33 1964,303.965,33 1965,301.459,33 1966,289.708,33 1967,297.393,33 1968,277.29,33 1969,278.828,33 1970,290.266,33 1971,295.113,33 1972,275.016,33 1973,295.484,33 1974,259.291,33 1975,298.928,33 1976,280.014,33 1977,252.446,33 1978,282.338,33 1979,276.181,33 1980,280.622,33 1981,281.193,33 1982,281.369,33 1983,303.448,33 1984,261.668,33 1985,269.209,33 1986,307.418,33 1987,300.341,33 1988,274.617,33 1989,298.009,33 1990,309.01,33 1991,242.891,33 1992,309.91,33 1993,275.685,33 1994,272.336,33 1995,293.353,33 1996,281.298,33 1997,280.357,33 1998,279.242,33 1999,283.523,33 2000,281.552,33 2001,285.31,33 2002,283.206,33 2003,285.545,33 2004,282.104,33 2005,245.088,33 2006,303.452,33 2007,280.996,33 2008,288.389,33 2009,273.782,33 2010,292.103,33 2011,272.396,33 2012,308.285,33 2013,262.889,33 2014,266.26,33 2015,277.237,33 2016,290.376,33 2017,267.941,33 2018,317.49,33 2019,278.521,33 2020,315.998,33