Year,Value,NumPoints
1980,-0.549613,245
1981,-0.999468,245
1982,0.520939,245
1983,-4.08645,245
1984,0.29702,245
1985,-2.87511,245
1986,-1.14594,245
1987,-0.376507,245
1988,-1.35386,245
1989,-4.46463,245
1990,-1.89697,245
1991,0.278392,245
1992,-0.732202,245
1993,-0.298464,245
1994,0.555485,245
1995,-0.556937,245
1996,0.514864,245
1997,-0.568089,245
1998,0.372888,245
1999,0.649882,245
2000,-3.41808,245
2001,0.927917,245
2002,0.21661,245
2003,0.636074,245
2004,0.347788,245
2005,-0.78448,245
2006,1.26291,245
2007,-0.364093,245
2008,-1.04939,245
2009,-2.64332,245
2010,-1.18692,245
2011,0.165661,245
2012,1.0543,245
2013,-1.80061,245
2014,1.49884,245
2015,2.66086,245
2016,-0.529804,245
2017,-0.273982,245
2018,0.430717,245