Year,Value,NumPoints 1983,-0.90137,17 1984,-0.540848,17 1985,-0.386237,17 1986,-0.718808,17 1987,-1.09007,17 1988,-0.840606,17 1989,-1.47786,17 1990,-1.185,17 1991,-0.824191,17 1992,-1.10901,17 1993,-0.923898,17 1994,-0.883257,17 1995,-1.03065,17 1996,-0.707378,17 1997,-0.578691,17 1998,-1.06546,17 1999,-1.04421,17 2000,-1.25326,17 2001,-0.614189,17 2002,-1.22959,17 2003,-0.449164,17 2004,-0.69557,17 2005,-0.198178,17 2006,-0.839487,17 2007,-1.17326,17 2008,-1.0677,17 2009,-1.32036,17 2010,-1.34358,17 2011,-1.30377,17 2012,-1.52479,17 2013,-1.04786,17 2014,-0.857572,17 2015,-0.641765,17 2016,-0.703236,17 2017,0.0659424,17 2018,0.211777,17 2019,-1.56866,17 2020,-1.40742,17 2021,-1.1027,17 2022,-1.50004,17