Year,Value,NumPoints 1983,-1.78269,61 1984,-1.7892,61 1985,-1.78934,61 1986,-1.78524,61 1987,-1.78918,61 1988,-1.78952,61 1989,-1.69264,61 1990,-1.78982,61 1991,-1.78368,61 1992,-1.78878,61 1993,-1.78712,61 1994,-1.76858,61 1995,-1.77914,61 1996,-1.76752,61 1997,-1.78071,61 1998,-1.73475,61 1999,-1.79,61 2000,-1.72923,61 2001,-1.73748,61 2002,-1.63773,61 2003,-1.78655,61 2004,-1.75778,61 2005,-1.67546,61 2006,-1.75629,61 2007,-1.78829,61 2008,-1.76246,61 2009,-1.75563,61 2010,-1.74485,61 2011,-1.7674,61 2012,-1.76615,61 2013,-1.62028,61 2014,-1.74785,61 2015,-1.75645,61 2016,-1.69178,61 2017,-1.73201,61 2018,-1.70291,61 2019,-1.68364,61 2020,-1.72939,61 2021,-1.733,61 2022,-1.72099,61