Year 2015 = 100 1980 15.9482088019 1981 16.5613835512 1982 20.3742431638 1983 20.1791409724 1984 17.4477102866 1985 17.1411211293 1986 18.2838625368 1987 17.8657864134 1988 20.7365758059 1989 23.9418260963 1990 27.8996134149 1991 33.6690639404 1992 41.3059211679 1993 50.7823133291 1994 51.6742090571 1995 64.7553464922 1996 77.2356930484 1997 68.2238298979 1998 48.063270079 1999 41.5598636891 2000 34.2822422586 2001 35.8926095528 2002 48.1871445047 2003 41.0953346784 2004 44.0373518605 2005 46.1741853783 2006 51.9091059073 2007 65.0564542139 2008 79.6470632189 2009 75.8396903866 2010 78.5917898774 2011 112.3762920317 2012 110.6268757229 2013 111.8720612705 2014 111.447936282 2015 100 2016 82.9495858784 2017 95.5237053717 2018 128.9548685114 2019 158.0226831953 2020 165.449780653 2021 265.392260467