Year,Value,NumPoints
1981,290.089,105126
1982,290.042,105126
1983,289.995,105128
1984,289.924,105127
1985,289.891,105126
1986,289.931,105126
1987,290.052,105126
1988,289.897,105126
1989,289.974,105126
1990,290.019,105128
1991,290.03,105125
1992,289.946,105124
1993,289.977,105127
1994,289.972,105127
1995,289.907,105125
1996,289.918,105128
1997,290.134,105126
1998,290.043,105125
1999,289.942,105124
2000,289.963,105124
2001,290.015,105127
2002,290.048,105124
2003,290.13,105125
2004,290.103,105127
2005,289.999,105121
2006,290.031,105128
2007,289.95,105128
2008,289.981,105128
2009,290.094,105128
2010,289.955,105128
2011,289.982,105128
2012,290.069,105128
2013,290.081,105128
2014,290.081,105128
2015,290.218,105128
2016,290.169,105128
2017,290.199,105128
2018,290.166,105128
2019,290.239,105128