Year 2000 = 100 1980 52.20400709 1981 62.58558134 1982 39.90999299 1983 34.02194932 1984 39.40694675 1985 33.87098766 1986 33.15601496 1987 35.45534195 1988 36.6579438 1989 39.47903868 1990 41.01424438 1991 44.34598427 1992 56.1436211 1993 62.66930348 1994 66.52872486 1995 82.61026062 1996 98.79552668 1997 112.504863 1998 114.2867457 1999 94.92711836 2000 100 2001 99.33939269 2002 102.1133947 2003 112.4438791 2004 134.8431907 2005 163.9502312 2006 183.2905128 2007 214.9581743 2008 254.4013866 2009 205.0107818 2010 269.2437721 2011 314.2137022 2012 333.8756126 2013 338.4817372 2014 316.4484565 2015 314.9310371 2016 314.9952299 2017 332.3657105 2018 357.7656232