Year,Value,NumPoints
1983,-0.313461,156
1984,-0.383292,156
1985,-0.685665,156
1986,-0.0395527,156
1987,1.20856,156
1988,0.56319,156
1989,0.473683,156
1990,0.0972893,156
1991,-0.825798,156
1992,-0.44089,156
1993,1.50133,156
1994,-0.0394044,156
1995,1.07133,156
1996,-0.397441,156
1997,0.513307,156
1998,2.0114,156
1999,0.790712,156
2000,0.12314,156
2001,0.00664377,156
2002,0.282567,156
2003,0.323309,156
2004,0.88153,156
2005,0.3563,156
2006,0.759192,156
2007,1.28062,156
2008,1.66193,156
2009,0.582585,156
2010,1.05065,156
2011,1.3078,156
2012,2.10382,156
2013,0.326375,156
2014,0.874961,156
2015,0.700628,156
2016,1.37247,156
2017,1.55138,156
2018,0.128471,156
2019,1.52337,156