Year 2015 = 100 1980 26.9231424586 1981 31.0651643753 1982 29.33932191 1983 26.5779739656 1984 27.2683109517 1985 25.1972999933 1986 22.7811205419 1987 26.5779739656 1988 28.3038164309 1989 29.33932191 1990 31.7555013615 1991 31.0651643753 1992 30.3748273892 1993 28.994153417 1994 31.0651643753 1995 34.1716808129 1996 32.7910068406 1997 33.4813438268 1998 29.6844904031 1999 32.1006698545 2000 34.5168493059 2001 38.3827364282 2002 38.7026869112 2003 44.315271441 2004 49.7361430042 2005 56.2 2006 61.8 2007 68.2 2008 87.4 2009 72.8 2010 82.8 2011 102.6 2012 107.3 2013 109.7 2014 109.1 2015 100 2016 88.2 2017 89.3 2018 84.4 2019 71.2 2020 66.3 2021 79.1 2022 83.1