Year 2000 = 100 1980 56.38188158 1981 45.4852352 1982 41.54325568 1983 42.98857397 1984 41.86451996 1985 39.21204927 1986 38.72236237 1987 36.62757828 1988 37.90250779 1989 41.10327942 1990 43.14327051 1991 44.59823416 1992 48.05201068 1993 49.72622051 1994 56.4438344 1995 73.42874004 1996 75.84464444 1997 88.17497787 1998 94.52272057 1999 91.97403364 2000 100 2001 90.95603423 2002 153.5150487 2003 164.4806728 2004 185.7627619 2005 198.4704559 2006 222.2323325 2007 254.4150192 2008 285.3865447 2009 266.0703747 2010 312.1311596 2011 383.6271762 2012 368.0547359 2013 369.7548795 2014 398.4755039 2015 393.7289712 2016 385.9014038 2017 405.778882 2018 406.4074304