Year 2000 = 100 1980 171 1981 187 1982 157 1983 141 1984 138 1985 120 1986 82 1987 94 1988 84 1989 84 1990 95 1991 91 1992 94 1993 94 1994 94 1995 98 1996 99 1997 99 1998 94 1999 95 2000 100 2001 97.80413072 2002 100.1450603 2003 105.1096798 2004 117.4315642 2005 127.1085979 2006 136.6984874 2007 143.6454782 2008 157.7695815 2009 134.8344249 2010 151.3178715 2011 173.3587648 2012 168.8050406 2013 168.3334599 2014 160.8571976 2015 134.2831987 2016 125.0435486 2017 134.0029748 2018 140.120349