Year 2015 = 100 1980 8.6260777433 1981 10.0394867089 1982 12.0289669019 1983 13.0590422241 1984 14.4424697917 1985 14.757274513 1986 15.335487272 1987 15.3740347847 1988 15.828038884 1989 15.4511298215 1990 14.1490803515 1991 7.4525199972 1992 8.4269155716 1993 7.7287772035 1994 7.5638794916 1995 10.1364230189 1996 9.0591737523 1997 12.1752725236 1998 9.8944167229 1999 9.7273681285 2000 11.4749534198 2001 11.157989421 2002 11.2222388797 2003 13.1904139857 2004 18.6259182312 2005 22.8085580306 2006 33.0413552358 2007 40.4557428302 2008 54.3828839503 2009 40.7470070517 2010 62.0906774056 2011 103.17392329 2012 93.9048679716 2013 91.5062214974 2014 123.6716424522 2015 100 2016 105.2898721462 2017 132.7950656828 2018 150.1681194565 2019 163.185702387 2020 162.2579401249 2021 198.0403914516