Year 2000 = 100 1980 31.08833577 1981 32.28595489 1982 29.47241122 1983 25.89462579 1984 33.79494062 1985 30.41117618 1986 30.45603307 1987 32.47734428 1988 36.38097015 1989 43.66501115 1990 43.27912229 1991 40.81271113 1992 44.63607307 1993 47.77749069 1994 55.05399573 1995 75.35742429 1996 79.16244512 1997 81.76291793 1998 84.3746482 1999 93.78588315 2000 100 2001 101.5197568 2002 96.7240797 2003 117.4603175 2004 135.4947653 2005 156.3548351 2006 180.5020826 2007 209.3436902 2008 268.6029495 2009 245.784082 2010 313.1959923 2011 407.6764607 2012 384.7022402 2013 417.4839581 2014 462.8906901 2015 473.3457165 2016 504.6954858 2017 594.8024316 2018 692.3336711