Year,Value,NumPoints 1983,-1.71011,14 1984,-1.70341,14 1985,-1.74035,14 1986,-1.55511,14 1987,-1.74465,14 1988,-1.63195,14 1989,-0.863835,14 1990,-1.6278,14 1991,-1.69055,14 1992,-1.62859,14 1993,-1.68692,14 1994,-1.45521,14 1995,-1.62066,14 1996,-1.19463,14 1997,-1.46735,14 1998,-1.51902,14 1999,-1.72073,14 2000,-1.70403,14 2001,-1.63689,14 2002,-1.49221,14 2003,-1.46967,14 2004,-1.53048,14 2005,-1.31863,14 2006,-1.41702,14 2007,-1.4649,14 2008,-1.6233,14 2009,-1.202,14 2010,-1.47463,14 2011,-1.391,14 2012,-1.3667,14 2013,-1.4975,14 2014,-1.36784,14 2015,-1.45281,14 2016,-1.39651,14 2017,-1.15743,14 2018,-0.476042,14 2019,-0.902387,14 2020,-1.50894,14 2021,-1.54181,14 2022,-1.41984,14