Year 2015 = 100 1980 21.4231208443 1981 23.1265060291 1982 22.9751519268 1983 24.2151028768 1984 21.7956925016 1985 17.0102466283 1986 17.7238661864 1987 23.5469897813 1988 29.2836109958 1989 29.7128151464 1990 33.7053559701 1991 40.6124656022 1992 45.0487445914 1993 43.6168946687 1994 44.0310135524 1995 55.4331108773 1996 56.3845373667 1997 57.0855884322 1998 47.8585042868 1999 43.3646666636 2000 40.522805855 2001 37.2057826404 2002 40.8111882264 2003 56.1341619833 2004 72.1091132015 2005 70.6108669046 2006 75.1126163624 2007 87.03048484 2008 90.1351396511 2009 92.6388935258 2010 115.1726784386 2011 125.1876939374 2012 130.2722171839 2013 108.8960402555 2014 110.5290025539 2015 100 2016 93.1876085445 2017 103.4336280667 2018 109.4150460196 2019 100.9549618206 2020 90.6689399674 2021 102.7061874154