Year,Value,NumPoints
1983,4.60006,599
1984,4.98309,599
1985,4.31996,599
1986,5.30571,599
1987,4.78982,599
1988,4.53913,599
1989,4.58743,599
1990,4.65456,599
1991,5.18134,599
1992,4.48251,599
1993,5.26263,599
1994,4.28729,599
1995,4.71567,599
1996,5.17595,599
1997,5.34889,599
1998,5.04226,599
1999,4.04949,599
2000,4.71601,599
2001,4.23232,599
2002,5.21275,599
2003,5.38054,599
2004,4.64958,599
2005,4.80328,599
2006,4.80248,599
2007,4.32685,599
2008,4.22684,599
2009,4.45395,599
2010,4.4896,599
2011,4.53062,599
2012,4.3194,599
2013,4.92002,599
2014,5.38202,599
2015,5.3637,599
2016,5.78069,599
2017,5.39303,599
2018,6.07162,599
2019,5.76509,599