Year 2015 = 100 1980 27.1745893603 1981 30.5202809076 1982 24.6104663624 1983 23.4122997298 1984 21.7454723442 1985 21.3428929972 1986 21.0127759978 1987 18.3135897558 1988 22.3152613422 1989 27.973463795 1990 36.4428089965 1991 31.5135806729 1992 30.4648827418 1993 34.8105933777 1994 40.053937996 1995 42.8665825645 1996 47.4319697488 1997 46.3747221605 1998 34.6969423966 1999 43.3952063387 2000 39.8870667428 2001 42.5782423495 2002 43.299092947 2003 57.9083318408 2004 69.4899982169 2005 77.2271280064 2006 86.7055445667 2007 86.5246591122 2008 108.7946176574 2009 69.1902685291 2010 86.9085841356 2011 104.8535832474 2012 108.2524418933 2013 135.7952784461 2014 156.2065958089 2015 100 2016 111.3190364868 2017 116.2942031719 2018 130.6945876405 2019 131.4016459684 2020 83.1644860948 2021 101.6711720086