Year 2015 = 100 1980 46.2484305308 1981 35.310629891 1982 32.1129088257 1983 33.1096706776 1984 45.1025097761 1985 45.9622005533 1986 44.89873952 1987 46.1504883848 1988 45.5770274862 1989 39.0205847355 1990 50.7810356059 1991 52.5655669045 1992 52.8779939068 1993 50.6363775204 1994 57.0768504317 1995 55.549052933 1996 62.5305287519 1997 66.996283105 1998 66.1896069617 1999 66.822532467 2000 58.2221575074 2001 69.9205583289 2002 68.8033476711 2003 88.2555747377 2004 78.1927093689 2005 78.0264191435 2006 93.636638057 2007 109.8752129098 2008 99.8342639331 2009 119.7538301273 2010 102.7748090478 2011 119.8429187616 2012 106.0681172659 2013 111.7551864637 2014 123.185323862 2015 100 2016 93.6549441513 2017 80.8865255151 2018 80.020261206 2019 87.3751848598 2020 75.8352163102 2021 89.7528147504