Year 2000 = 100 1980 9.784850887 1981 10.81293966 1982 10.40602398 1983 10.87823244 1984 14.03081344 1985 14.95432478 1986 17.55632617 1987 24.01476271 1988 31.29059744 1989 36.2330328 1990 40.70142673 1991 48.83434063 1992 59.19300505 1993 66.99891014 1994 75.00198157 1995 85.78469827 1996 89.2595827 1997 92.85189187 1998 86.27462589 1999 86.04717712 2000 100 2001 94.26838955 2002 99.62735849 2003 112.8403709 2004 131.0138537 2005 144.1260491 2006 159.1987448 2007 172.3803057 2008 182.6703863 2009 162.5306192 2010 197.6939433 2011 224.7713819 2012 243.1913244 2013 264.2283763 2014 258.5959355 2015 251.9185131 2016 254.9468875 2017 271.4939092 2018 280.8528589