Year 2000 = 100 1980 42.51483018 1981 42.11904023 1982 40.42147132 1983 47.12238854 1984 40.65012407 1985 43.71157495 1986 55.06898263 1987 42.9798502 1988 57.41161472 1989 41.76878854 1990 64.99385047 1991 49.6778509 1992 62.81399917 1993 67.77445024 1994 64.71024836 1995 76.63672457 1996 79.20882636 1997 85.66290207 1998 92.53393665 1999 101.2210402 2000 100 2001 127.1753524 2002 121.3635955 2003 154.6046253 2004 151.0333918 2005 151.6490837 2006 167.3985895 2007 183.6852877 2008 239.8983771 2009 198.4250872 2010 252.6403945 2011 211.7245391 2012 225.2419691 2013 246.084136 2014 256.0848338 2015 281.9796307 2016 315.965063 2017 317.2499198 2018 339.5620855