Year 2015 = 100 1980 15.5129570103 1981 19.1013729974 1982 17.6798684065 1983 20.823900816 1984 24.8850262891 1985 25.4638595079 1986 21.9524178038 1987 25.478670678 1988 29.3516486954 1989 30.4286719114 1990 28.3629197639 1991 27.9841192148 1992 31.9936476042 1993 35.89821697 1994 36.7196965478 1995 35.5082383094 1996 36.455301799 1997 39.7818886473 1998 40.7891871438 1999 43.7657280059 2000 49.2383783025 2001 53.9701993578 2002 58.655036217 2003 67.8838908324 2004 79.6813308897 2005 87.1156539095 2006 89.8885361287 2007 94.4781267613 2008 91.6813488617 2009 82.19775925 2010 89.9137720286 2011 92.2965920986 2012 91.8529051702 2013 91.9283498875 2014 92.1910018242 2015 100 2016 103.0486128047 2017 111.8548197553 2018 114.6159338051 2019 113.5584792156 2020 115.1918746237 2021 119.4064857087