Year 2000 = 100 1980 128 1981 112 1982 102 1983 93 1984 85 1985 85 1986 100 1987 108 1988 109 1989 101 1990 115 1991 115 1992 120 1993 116 1994 113 1995 125 1996 121 1997 107 1998 102 1999 101 2000 100 2001 96.58222428 2002 94.86903874 2003 101.9971475 2004 112.0485789 2005 126.2872936 2006 134.8739245 2007 147.5746001 2008 172.6809034 2009 155.4599735 2010 168.3220059 2011 196.3984426 2012 194.1011581 2013 191.9465524 2014 189.3807716 2015 167.2120341 2016 159.0715756 2017 167.5920496 2018 179.7575485