Year 2015 = 100 1980 11.1283682115 1981 11.623709264 1982 11.7230575722 1983 11.2342944613 1984 11.7991920651 1985 12.667481827 1986 14.7986536247 1987 14.9822421663 1988 15.6863377404 1989 14.0903990912 1990 12.1658174451 1991 12.9860244937 1992 12.1497757264 1993 14.0955341375 1994 5.135046956 1995 9.9805592017 1996 10.7836361383 1997 12.4827111257 1998 11.9767046382 1999 10.6158070853 2000 8.9522965731 2001 11.7988402667 2002 10.4132113409 2003 10.8750876525 2004 11.913763494 2005 18.0707006637 2006 23.0123572891 2007 32.3573746855 2008 49.2935391844 2009 54.940606897 2010 60.0875885356 2011 85.6188512555 2012 96.5598612476 2013 96.6417393102 2014 103.7021485704 2015 100 2016 94.6377502653 2017 92.8719065434 2018 103.4773184457 2019 111.6597791054 2020 106.7218275848 2021 121.5605154591