Year 2015 = 100 1980 2.3388941658 1981 2.4379498622 1982 2.3725880265 1983 2.2340167439 1984 2.8721156223 1985 3.0797705752 1986 2.7132793032 1987 3.2904165625 1988 3.9807907236 1989 4.0236211184 1990 5.1536466623 1991 5.2076086417 1992 6.4687772174 1993 7.0241230847 1994 8.2045028663 1995 10.8126638797 1996 13.1228245724 1997 14.9233909931 1998 15.81595308 1999 16.9772103259 2000 19.7321078352 2001 18.7777767466 2002 18.9908798056 2003 21.588266354 2004 25.6495782768 2005 28.7133208002 2006 36.4506295801 2007 38.4610870653 2008 47.4682430164 2009 46.5825372845 2010 59.2809470375 2011 75.4792502484 2012 77.6037024292 2013 89.915592649 2014 93.9049127853 2015 100 2016 107.7693977849 2017 110.723623854 2018 121.2279059919 2019 121.4914743271 2020 103.7885399998 2021 136.5817960439