Year 2015 = 100 1980 7.4770764192 1981 10.0593187156 1982 9.3913473043 1983 9.6294879126 1984 9.6085961872 1985 12.334794061 1986 5.7486072058 1987 7.8032003238 1988 7.7542441497 1989 12.7405696222 1990 17.2535268161 1991 15.2650542874 1992 17.3944754864 1993 16.8209710065 1994 17.3675699506 1995 19.0065837395 1996 23.0087742698 1997 23.8991626873 1998 17.2535268161 1999 22.6707167134 2000 35.4520361646 2001 34.6859018337 2002 34.9919170598 2003 36.5486168151 2004 41.7881487527 2005 58.5463192991 2006 67.6090056235 2007 77.3401018725 2008 118.1431760232 2009 86.6098104684 2010 114.6423242511 2011 147.5006167023 2012 163.3065787405 2013 173.8277079456 2014 158.8595635996 2015 100 2016 94.0083784634 2017 103.0618154224 2018 130.8034236936 2019 121.2897141544 2020 104.8638034943 2021 139.6673755107