Year 2000 = 100 1980 21.75508959 1981 23.46632259 1982 25.1292498 1983 29.50353077 1984 26.48854962 1985 28.81549091 1986 29.22081472 1987 36.26615225 1988 43.0684989 1989 36.96773045 1990 42.71821828 1991 46.82611818 1992 49.33388843 1993 56.57257629 1994 73.4381654 1995 84.7425302 1996 88.8747616 1997 107.6287349 1998 79.21169739 1999 90.40050858 2000 100 2001 93.64272092 2002 90.20979021 2003 111.5066751 2004 123.1762238 2005 145.1532104 2006 158.4113795 2007 198.4443738 2008 228.2293706 2009 278.7293071 2010 326.3459631 2011 367.0756516 2012 385.6097266 2013 417.7301335 2014 482.5231971 2015 422.8596949 2016 568.0115067 2017 657.660712 2018 856.0076287