Year 2000 = 100 1980 146 1981 126 1982 106 1983 104 1984 99 1985 91 1986 98 1987 104 1988 111 1989 124 1990 116 1991 113 1992 108 1993 97 1994 110 1995 141 1996 115 1997 113 1998 94 1999 91 2000 100 2001 87.92951432 2002 87.14433947 2003 98.13543175 2004 128.2632678 2005 159.2546392 2006 217.1654197 2007 235.2626519 2008 226.2138676 2009 200.199568 2010 257.2053614 2011 282.3231948 2012 265.243112 2013 251.1770617 2014 241.6323135 2015 202.1976013 2016 198.6809528 2017 231.0829141 2018 243.8306826