Year 2000 = 100 1980 139 1981 126 1982 111 1983 106 1984 114 1985 102 1986 112 1987 102 1988 107 1989 100 1990 94 1991 96 1992 94 1993 74 1994 89 1995 107 1996 105 1997 122 1998 122 1999 102 2000 100 2001 92.06912439 2002 89.46762855 2003 96.66680004 2004 107.1411797 2005 121.0922895 2006 130.0306396 2007 136.4931089 2008 158.5085931 2009 158.158061 2010 168.7691584 2011 194.4098919 2012 191.9371389 2013 179.1855991 2014 176.6466644 2015 180.649165 2016 172.1732565 2017 188.0587318 2018 188.458904