Year 2000 = 100 1980 44 1981 26 1982 15 1983 46 1984 66 1985 74 1986 130 1987 124 1988 112 1989 92 1990 98 1991 101 1992 97 1993 91 1994 98 1995 112 1996 114 1997 114 1998 118 1999 103 2000 100 2001 103.6473336 2002 130.0023061 2003 134.0907838 2004 134.6526906 2005 145.0872654 2006 162.8560129 2007 190.1691081 2008 246.8986822 2009 255.1434293 2010 297.1341288 2011 341.8982016 2012 332.8447439 2013 309.4755129 2014 307.6413901 2015 268.2683036 2016 268.3054405 2017 274.921367 2018 309.4144505