Year 2000 = 100 1980 7.190964398 1981 8.743517899 1982 9.428373444 1983 10.25153246 1984 12.34004595 1985 12.61492904 1986 15.52047929 1987 18.40145453 1988 21.66725703 1989 22.42809652 1990 25.6864244 1991 29.44489072 1992 34.0846619 1993 37.95357331 1994 48.55720035 1995 56.85936289 1996 56.64713312 1997 67.91726097 1998 70.88444114 1999 77.44729803 2000 100 2001 109.694188 2002 138.6582488 2003 182.785201 2004 226.8347239 2005 283.6441931 2006 346.1719795 2007 414.8560285 2008 450.2958821 2009 403.192961 2010 516.4926068 2011 561.8922874 2012 596.8391727 2013 647.4202795 2014 684.4722854 2015 680.5921485 2016 690.2482661 2017 738.9259384 2018 769.5482696