Year 2000 = 100 1980 41.5763897 1981 37.73201568 1982 38.86812158 1983 41.98561735 1984 44.35168567 1985 43.15769236 1986 48.45941978 1987 49.63746784 1988 48.00962867 1989 43.53300463 1990 46.97417133 1991 52.8506141 1992 60.26492564 1993 73.03576562 1994 84.47907313 1995 82.55073839 1996 84.53541895 1997 92.95393903 2000 100 2001 100.9424716 2002 108.4067134 2003 135.2875799 2004 151.2031569 2005 155.9069596 2006 163.1303008 2007 173.8335899 2008 180.5319304 2009 152.7428945 2010 181.8990258 2011 222.9247581 2012 224.801055 2013 220.8060558 2014 241.8757375 2015 267.5069871 2016 285.9186121 2017 309.1080383 2018 319.3550745