Year 2000 = 100 1980 160 1981 154 1982 128 1983 116 1984 123 1985 126 1986 143 1987 162 1988 160 1989 165 1990 186 1991 180 1992 186 1993 170 1994 149 1995 175 1996 164 1997 120 1998 120 1999 116 2000 100 2001 95.17311721 2002 94.10625724 2003 103.7452916 2004 116.5169604 2005 129.9633485 2006 142.2761266 2007 158.6857373 2008 195.0000926 2009 166.9007351 2010 189.8932098 2011 242.5959201 2012 244.8189619 2013 238.6981301 2014 234.0633996 2015 199.4195702 2016 193.6356262 2017 206.8560795 2018 226.4241649