Year 2015 = 100 1980 13.3223623604 1981 13.5784561513 1982 13.2242992625 1983 13.9705730763 1984 16.0264906867 1985 18.9496351671 1986 21.0160831546 1987 17.1498417976 1988 23.547200285 1989 22.532795122 1990 24.9011813093 1991 28.5380333132 1992 32.6993796289 1993 32.7861543184 1994 39.1189220831 1995 44.4686255619 1996 47.2361807305 1997 50.6169934477 1998 46.6165542687 1999 46.4055720682 2000 43.3882190341 2001 44.8525603625 2002 47.2556681152 2003 53.7161796567 2004 62.4136243281 2005 69.0070279534 2006 76.33764467 2007 77.1743715051 2008 79.9570107617 2009 76.6214866675 2010 78.7115795726 2011 83.4182795117 2012 87.9649656081 2013 91.2670201603 2014 100.4936050759 2015 100 2016 97.6721103242 2017 99.8442145562 2018 99.298816833 2019 105.8036482253 2020 113.5684931966 2021 116.2323067431