Year,Value,NumPoints 1981,289.932,105126 1982,289.894,105128 1983,289.966,105127 1984,289.823,105122 1985,289.832,105127 1986,289.848,105125 1987,289.88,105126 1988,289.868,105126 1989,289.916,105127 1990,289.923,105123 1991,289.994,105124 1992,289.927,105125 1993,289.869,105126 1994,289.8,105125 1995,289.872,105126 1996,289.849,105128 1997,289.981,105126 1998,290.015,105126 1999,289.894,105127 2000,289.868,105128 2001,289.935,105126 2002,289.958,105125 2003,290.007,105126 2004,289.984,105125 2005,289.985,105127 2006,289.953,105128 2007,289.938,105128 2008,289.932,105128 2009,290.012,105128 2010,289.996,105128 2011,289.968,105128 2012,289.969,105128 2013,290.008,105128 2014,290.03,105128 2015,290.073,105128 2016,290.116,105128 2017,290.171,105128 2018,290.109,105128 2019,290.139,105128