Year 2000 = 100 1980 85 1981 79 1982 68 1983 73 1984 72 1985 80 1986 84 1987 83 1988 78 1989 76 1990 75 1991 93 1992 97 1993 98 1994 106 1995 109 1996 116 1997 109 1998 99 1999 91 2000 100 2001 94.94088281 2002 91.64691849 2003 101.7644375 2004 117.6468904 2005 123.0585392 2006 135.6468085 2007 153.9998799 2008 194.5880002 2009 173.293862 2010 186.5880254 2011 221.9996293 2012 227.2939067 2013 224.1175317 2014 218.8235311 2015 184.7056264 2016 176.3526557 2017 178.8234165 2018 193.1186063