Year 2015 = 100 1980 19.6069377595 1981 15.4924651543 1982 15.201406703 1983 14.5143427156 1984 16.2260203591 1985 13.3906910491 1986 15.3019586063 1987 16.1669784665 1988 13.5768024196 1989 15.6914202105 1990 15.5107295624 1991 16.3647126403 1992 15.9532263119 1993 16.3381950657 1994 21.9822384381 1995 24.7517501919 1996 24.8493902335 1997 25.191130373 1998 26.2651708183 1999 28.5108917424 2000 40.2276965667 2001 45.3049786483 2002 23.7265297694 2003 41.7899371918 2004 48.4105665986 2005 41.7235908184 2006 48.1002177238 2007 60.4237577511 2008 63.9417772238 2009 51.3580264733 2010 56.1171452891 2011 77.6238319478 2012 74.0068055165 2013 93.8617123813 2014 107.2134508915 2015 100 2016 110.0264810278 2017 139.0598240216 2018 151.8355351048 2019 131.611841757 2020 98.9133151529 2021 133.103928055