Year 2000 = 100 1980 38.82042533 1981 45.61116853 1982 31.56470955 1983 57.14793488 1984 71.81401097 1985 33.81454687 1986 53.91675006 1987 59.848199 1988 78.76207819 1989 84.97137326 1990 102.8375193 1991 105.8363546 1992 99.68119603 1993 72.09070875 1994 80.92097708 1995 132.7868852 1996 130.0546448 1997 129.5081967 1998 143.1693989 1999 132.7868852 2000 100 2001 103.2786885 2002 101.0928962 2003 328.4153005 2004 1197.26776 2005 1683.576503 2006 1831.665574 2007 2003.401093 2008 2277.899454 2009 1530.054645 2010 1967.213115 2011 2622.95082 2012 2622.95082 2013 2076.502732 2014 2291.654707 2015 1202.185792 2016 983.6065574 2017 874.3169399 2018 1038.251366