Year,Value,NumPoints
1981,289.948,105123
1982,289.797,105125
1983,289.862,105124
1984,289.818,105125
1985,289.774,105128
1986,289.794,105125
1987,289.855,105123
1988,289.816,105127
1989,289.83,105127
1990,289.862,105125
1991,289.847,105126
1992,289.835,105127
1993,289.811,105123
1994,289.735,105127
1995,289.749,105126
1996,289.787,105128
1997,289.92,105125
1998,289.941,105126
1999,289.807,105123
2000,289.852,105126
2001,289.871,105127
2002,289.904,105124
2003,289.943,105125
2004,289.948,105123
2005,289.895,105126
2006,289.889,105128
2007,289.822,105128
2008,289.834,105128
2009,289.933,105128
2010,289.833,105128
2011,289.852,105128
2012,289.924,105128
2013,289.925,105128
2014,289.947,105128
2015,290.053,105128
2016,290.058,105128
2017,290.072,105128
2018,290.01,105128
2019,290.035,105128