Year 2000 = 100 1980 132 1981 135 1982 117 1983 113 1984 108 1985 100 1986 81 1987 80 1988 76 1989 81 1990 89 1991 86 1992 90 1993 87 1994 85 1995 93 1996 93 1997 93 1998 100 1999 97 2000 100 2001 97.33255261 2002 77.88531729 2003 73.68038276 2004 85.88779075 2005 107.1732161 2006 148.7244483 2007 153.0474266 2008 181.968071 2009 167.6124876 2010 177.7173685 2011 184.291498 2012 192.5208309 2013 182.092147 2014 174.0384281 2015 152.0552538 2016 142.1849859 2017 153.5964303 2018 159.2347622