Year,Value,NumPoints 1949,5287.31,277 1950,5254.25,277 1951,5308.27,277 1952,5276.48,277 1953,5278.55,277 1954,5257.71,277 1955,5210.41,277 1956,5217.75,277 1957,5318.27,277 1958,5368.03,277 1959,5231.51,277 1960,5246.01,277 1961,5259.8,277 1962,5327.27,277 1963,5211.97,277 1964,5176.02,277 1965,5300.35,277 1966,5304.03,277 1967,5204.24,277 1968,5288.24,277 1969,5276.98,277 1970,5300.41,277 1971,5258.25,277 1972,5253.83,277 1973,5289.15,277 1974,5184.12,277 1975,5233.33,277 1976,5187.61,277 1977,5271.76,277 1978,5231.67,277 1979,5292.54,277 1980,5248.82,277 1981,5326.17,277 1982,5220.12,277 1983,5294.14,277 1984,5295.83,277 1985,5235.47,277 1986,5229.16,277 1987,5330.97,277 1988,5302.81,277 1989,5211.7,277 1990,5300.72,277 1991,5245.34,277 1992,5302.78,277 1993,5291.03,277 1994,5273.69,277 1995,5310.58,277 1996,5270.67,277 1997,5223.83,277 1998,5306.93,277 1999,5320.34,277 2000,5305.67,277 2001,5311.33,277 2002,5238.91,277 2003,5229.17,277 2004,5262.31,277 2005,5287.74,277 2006,5352.02,277 2007,5260.48,277 2008,5243.05,277 2009,5274.49,277 2010,5324.2,277 2011,5275.21,277 2012,5267.57,277 2013,5327.1,277 2014,5225.68,277 2015,5261.59,277 2016,5291.7,277 2017,5263.88,277 2018,5325.07,277 2019,5307.5,277 2020,5246.36,277 2021,5271.89,277 2022,5267.39,277 2023,5300.58,277