Year 2015 = 100 1980 14.065842956 1981 34.6463921195 1982 29.3161779444 1983 33.6099615856 1984 42.0494673548 1985 43.8262054181 1986 46.343250996 1987 51.2292806534 1988 50.1928501196 1989 55.9672488049 1990 53.3021417211 1991 55.078879777 1992 61.8897089961 1993 69.144722733 1994 73.7346293786 1995 61.5491675385 1996 69.6777441498 1997 78.2653114548 1998 73.7642416783 1999 67.012637066 2000 74.9191214183 2001 75.0671829542 2002 71.8838605698 2003 90.4507732724 2004 87.1341955431 2005 74.9487337255 2006 83.7583932744 2007 68.1379044989 2008 84.0693223873 2009 71.3656453066 2010 53.4353970734 2011 51.0071883946 2012 58.5883816234 2013 70.9214607889 2014 90.4655793885 2015 100 2016 96.9453431153 2017 88.096595339 2018 96.7350957868 2019 105.3556807503 2020 103.3469303123 2021 105.271729904