Year 2015 = 100 1980 11.1692605774 1981 8.3118140552 1982 8.4679897082 1983 7.3585847725 1984 7.7487591928 1985 4.9050318613 1986 9.7383990961 1987 6.9064965345 1988 7.6298239871 1989 6.5301376141 1990 9.110133232 1991 11.6686169594 1992 3.8656906313 1993 15.2195879169 1994 49.2118211623 1995 14.0646613493 1996 16.2261307359 1997 30.2907869306 1998 19.9272724615 1999 33.2153420973 2000 41.2035716897 2001 44.669990928 2002 41.3443445577 2003 62.1075280068 2004 54.045683524 2005 58.0183586865 2006 40.8166269373 2007 58.7694156195 2008 56.7383427024 2009 54.2517238384 2010 53.6207472572 2011 91.5895681091 2012 49.3947877238 2013 60.7916863824 2014 65.7694227988 2015 100 2016 105.9299324578 2017 120.6319646593 2018 113.846848198 2019 84.3319792735 2020 73.0077534969 2021 67.7515499931