Year 2015 = 100 1980 19.2630485497 1981 24.4134777788 1982 16.0409606255 1983 15.1774736959 1984 13.7969447566 1985 20.7805327416 1986 20.5389630651 1987 23.0483749285 1988 16.4768435934 1989 15.5475134972 1990 16.0760802651 1991 24.4057521043 1992 26.3031031852 1993 27.9282359439 1994 27.184496011 1995 29.1811736377 1996 34.1135556227 1997 40.4398280046 1998 45.0251068551 1999 41.4770633683 2000 42.3752328582 2001 40.1053517403 2002 41.54358956 2003 37.381295487 2004 39.8022892616 2005 44.3311548291 2006 50.1434781738 2007 60.8810374587 2008 73.4870578441 2009 74.7209477139 2010 83.7116220515 2011 111.8632587865 2012 102.9728703954 2013 102.097796327 2014 110.5350380041 2015 100 2016 83.9786477592 2017 88.5611562907 2018 88.9389192876 2019 85.0499963634 2020 61.9281896354 2021 75.3393488101