Year,Value,NumPoints 1980,0.546916,1964 1981,0.643332,1965 1982,0.0371445,1965 1983,0.317007,1965 1984,0.179656,1969 1985,0.188187,1969 1986,0.338052,1977 1987,0.571325,1987 1988,0.683452,1977 1989,0.201972,1971 1990,0.423616,1980 1991,0.493703,1973 1992,0.405701,2003 1993,0.215699,1980 1994,0.339037,1990 1995,0.657658,1998 1996,0.364301,1986 1997,0.327432,1993 1998,1.27909,2011 1999,0.764429,2003 2000,0.828378,2001 2001,0.640401,1986 2002,0.823001,1986 2003,0.939223,1986 2004,0.699133,1986 2005,1.0156,1986 2006,1.23755,1986 2007,0.957045,2011 2008,0.603281,1998 2009,0.607371,2011 2010,1.25,2006 2011,0.827501,2001 2012,1.246,2006 2013,0.846379,2011 2014,0.615862,2011 2015,1.05454,2011 2016,1.63143,2011 2017,1.45199,2011 2018,1.05467,2011 2019,1.02699,2011 2020,1.25571,2011 2021,1.21052,2011 2022,1.16034,2006