Year,Value,NumPoints
1981,290.083,105127
1982,290.104,105126
1983,290.032,105124
1984,289.942,105127
1985,289.953,105126
1986,289.953,105127
1987,290.072,105128
1988,289.925,105127
1989,289.993,105126
1990,290.046,105125
1991,290.07,105121
1992,289.976,105126
1993,290.004,105123
1994,290.009,105127
1995,289.954,105128
1996,289.962,105128
1997,290.203,105125
1998,290.056,105126
1999,289.984,105126
2000,289.982,105128
2001,290.063,105126
2002,290.08,105127
2003,290.141,105128
2004,290.152,105126
2005,290.02,105122
2006,290.088,105128
2007,289.964,105128
2008,290.006,105128
2009,290.134,105128
2010,290.002,105128
2011,290.006,105128
2012,290.095,105128
2013,290.119,105128
2014,290.11,105128
2015,290.286,105128
2016,290.215,105128
2017,290.196,105128
2018,290.22,105128