Year 2015 = 100 1980 19.4211663217 1981 16.9392209042 1982 18.4540605854 1983 13.9032535978 1984 13.4084631237 1985 14.6553182917 1986 14.4742304919 1987 17.3748280805 1988 14.39474691 1989 15.3870057552 1990 14.7356688102 1991 17.6902819396 1992 18.7600297853 1993 18.6860992181 1994 24.5284093986 1995 27.1999363843 1996 25.4104568655 1997 32.2690908705 1998 37.6989897367 1999 20.6174883967 2000 24.6955303498 2001 36.2105150481 2002 44.5187788826 2003 44.483546856 2004 50.9163434588 2005 59.255365601 2006 66.7639728515 2007 72.5947802416 2008 89.5246896466 2009 77.0886978127 2010 97.9663073693 2011 108.9024265396 2012 112.5900085218 2013 119.6146495615 2014 121.7433055202 2015 100 2016 77.121654319 2017 92.186896317 2018 102.3875489581 2019 99.2527799295 2020 79.8483822359 2021 102.3348957907