Year 2015 = 100 1980 76.6514590976 1981 72.5545707667 1982 75.7545473309 1983 68.1790925969 1984 67.8390048458 1985 66.9802832656 1986 70.4397044897 1987 69.9668105334 1988 78.716144859 1989 75.8227946724 1990 72.1939500008 1991 75.4860685736 1992 78.2424547859 1993 74.966393959 1994 67.7342827018 1995 75.7150918384 1996 77.8199918287 1997 80.577952813 1998 90.0142267946 1999 88.314929089 2000 85.0134364501 2001 82.359989701 2002 85.8700293704 2003 89.6335637454 2004 88.9888169126 2005 84.4596971046 2006 85.2710294579 2007 83.6138186318 2008 98.5799775542 2009 90.5032789997 2010 89.1723484249 2011 89.1723484249 2012 105.2523210441 2013 104.365726712 2014 102.9607375322 2015 100 2016 100.5994814286 2017 94.9264527763 2018 91.486894576 2019 91.6523307234 2020 96.4124668172 2021 88.906288844