Year,Value,NumPoints
1980,0.681683,1965
1981,1.67925,1965
1982,-1.06364,1965
1983,0.889408,1965
1984,0.145248,1965
1985,0.625805,1965
1986,1.23967,2011
1987,1.34467,2011
1988,0.314551,1965
1989,0.287015,1965
1990,1.44626,1965
1991,0.028973,1965
1992,1.32666,2011
1993,0.253795,1965
1994,-0.222727,1965
1995,1.08402,1965
1996,-0.0488955,1965
1997,0.413017,1965
1998,1.28233,2011
1999,0.832047,2011
2000,0.814718,2011
2001,1.4919,1965
2002,1.69881,1965
2003,1.65544,1965
2004,0.29276,1965
2005,1.1192,1965
2006,2.24234,1965
2007,1.6638,2011
2008,0.657792,2011
2009,0.670799,2011
2010,1.64875,2011
2011,1.23983,1965
2012,1.34093,2011
2013,1.48395,2011
2014,1.58116,2011
2015,1.25161,2011
2016,2.44392,2011
2017,1.74242,2011
2018,1.30083,2011
2019,1.17887,2011
2020,1.51792,2011
2021,2.33153,2011
2022,1.09597,2011