Year,Value,NumPoints
1981,284.223,105125
1982,284.215,105127
1983,284.173,105127
1984,284.14,105126
1985,284.193,105128
1986,284.104,105127
1987,284.077,105124
1988,284.127,105126
1989,284.132,105125
1990,284.125,105125
1991,284.156,105128
1992,284.154,105128
1993,284.117,105128
1994,284.104,105125
1995,284.089,105125
1996,284.165,105128
1997,284.179,105126
1998,284.201,105127
1999,284.18,105125
2000,284.151,105125
2001,284.173,105126
2002,284.163,105125
2003,284.198,105126
2004,284.198,105125
2005,284.182,105125
2006,284.189,105128
2007,284.205,105128
2008,284.223,105128
2009,284.199,105128
2010,284.232,105128
2011,284.272,105128
2012,284.212,105128
2013,284.262,105128
2014,284.253,105128
2015,284.236,105128
2016,284.259,105128
2017,284.272,105128
2018,284.266,105128
2019,284.299,105128
2020,284.306,105128