Year,Value,NumPoints 1983,2.74318,2924 1984,2.93697,2924 1985,2.95944,2924 1986,2.87919,2924 1987,2.88972,2924 1988,3.07104,2924 1989,3.00811,2924 1990,3.67681,2924 1991,3.25435,2924 1992,2.97147,2924 1993,3.46752,2924 1994,3.09231,2924 1995,3.26,2924 1996,2.86661,2924 1997,2.91287,2924 1998,3.3513,2924 1999,3.06931,2924 2000,3.21891,2924 2001,2.99087,2924 2002,3.25669,2924 2003,3.43522,2924 2004,3.58186,2924 2005,3.60651,2924 2006,3.36223,2924 2007,4.25618,2924 2008,3.77836,2924 2009,3.65509,2924 2010,3.44683,2924 2011,3.80475,2924 2012,3.91908,2924 2013,3.67402,2924 2014,3.74994,2924 2015,3.91866,2924 2016,4.17203,2924 2017,4.17397,2924 2018,3.82666,2924 2019,4.26428,2924 2020,4.17884,2924 2021,3.73699,2924 2022,3.92507,2924