Year 2015 = 100 1980 7.8744087248 1981 6.2113254618 1982 7.4132928734 1983 10.0484257195 1984 11.7243420448 1985 13.0961835635 1986 16.2758159178 1987 29.5953446675 1988 28.0747364566 1989 28.9441683998 1990 27.8624133411 1991 28.7772761848 1992 27.2632250125 1993 27.4329273857 1994 28.8487791179 1995 33.9173642234 1996 40.1623621589 1997 44.9918208938 1998 32.585902354 1999 41.8644926274 2000 42.3553395511 2001 39.7427672045 2002 38.3968966034 2003 44.4928987552 2004 55.6254970407 2005 70.0699186655 2006 71.7115799871 2007 81.9309021064 2008 78.3910565942 2009 54.716955185 2010 74.3116594568 2011 93.1329473079 2012 94.5473306398 2013 125.2607382314 2014 134.7507107219 2015 100 2016 116.6319875759 2017 92.9368935475 2018 104.1126230376 2019 82.9037765555 2020 65.3486045866 2021 114.0925702282