Year 2015 = 100 1980 49.7602686063 1981 40.0846608217 1982 35.9379717712 1983 34.9012995086 1984 38.7024311382 1985 41.8124479261 1986 46.6502518184 1987 44.2313498722 1988 41.8124479261 1989 35.9379717712 1990 35.5924143503 1991 35.5924143503 1992 40.4302182426 1993 33.1735124042 1994 35.2468569294 1995 42.158005347 1996 44.2313498722 1997 39.7391034008 1998 41.1213330843 1999 40.4302182426 2000 34.5557420877 2001 36.4770071721 2002 46.9561886275 2003 48.1398262193 2004 51.33571102 2005 69.9 2006 76.1 2007 87.1 2008 108.4 2009 95 2010 109.9 2011 124 2012 109 2013 106 2014 111.7 2015 100 2016 96.1 2017 87.1 2018 93.9 2019 91.8 2020 91 2021 104.7 2022 117.1