Year 2015 = 100 1980 25.6567306357 1981 17.1838845748 1982 20.1533505696 1983 18.8285467959 1984 20.3257565434 1985 19.100766749 1986 20.9201034393 1987 24.2207703802 1988 20.3348305396 1989 16.3400027198 1990 18.177487406 1991 18.894333286 1992 8.3253935837 1993 9.1046232017 1994 9.3269361615 1995 12.50964112 1996 10.2139195127 1997 24.0891973999 1998 36.2959938082 1999 37.9111655634 2000 36.0317136197 2001 31.0784447111 2002 31.7589945957 2003 39.3074270748 2004 44.3820606929 2005 53.3267546655 2006 57.700421922 2007 59.1794836988 2008 54.4133660077 2009 65.3645478917 2010 65.6798693086 2011 86.9844834502 2012 92.4617757557 2013 100.4344176524 2014 107.8025043967 2015 100 2016 111.7950637138 2017 111.1122453374 2018 122.3265732036 2019 136.1349303548 2020 81.7782768231 2021 108.8766389654