Year 2000 = 100 1980 97 1981 94 1982 83 1983 84 1984 81 1985 72 1986 77 1987 84 1988 93 1989 94 1990 96 1991 100 1992 102 1993 103 1994 107 1995 116 1996 127 1997 122 1998 106 1999 102 2000 100 2001 92.4534361 2002 93.17597945 2003 98.60308285 2004 104.7366731 2005 112.283237 2006 118.224149 2007 124.967887 2008 138.0218369 2009 138.5035324 2010 151.1400128 2011 159.5857418 2012 160.5651895 2013 159.8426461 2014 157.7552987 2015 151.3326911 2016 150.7867694 2017 156.1817598 2018 161.5606936