Year 2000 = 100 1980 58.21451343 1981 70.17554621 1982 61.16853243 1983 50.35407873 1984 51.71938434 1985 46.76082939 1986 35.50424136 1987 39.21774994 1988 38.92589932 1989 45.70044956 1990 60.70492901 1991 56.66938393 1992 55.92232383 1993 60.10379422 1994 58.38239211 1995 66.39486246 1996 75.87922014 1997 70.76557735 1998 52.79292136 1999 70.43075935 2000 100 2001 90.03278763 2002 93.53594612 2003 107.0586061 2004 122.0126856 2005 165.342688 2006 196.9517678 2007 220.1016723 2008 279.5423616 2009 191.683308 2010 241.6897009 2011 317.2252563 2012 319.1278104 2013 354.0288744 2014 324.9704169 2015 267.0218073 2016 206.3888969 2017 248.2248322 2018 320.8572369