Year 2015 = 100 1980 73.3910292893 1981 105.1649628628 1982 149.5389083968 1983 146.4826209103 1984 20.5314728793 1985 21.4092451974 1986 17.0405701472 1987 20.2237307191 1988 23.1405009114 1989 28.4080317336 1990 23.3483695301 1991 15.6880411601 1992 33.1467530902 1993 27.4784528009 1994 37.3458611935 1995 39.5767340213 1996 37.6406554893 1997 36.8828095986 1998 39.1017986786 1999 42.8865377461 2000 42.9122592342 2001 42.3282092764 2002 36.3131782887 2003 44.240590024 2004 46.421052246 2005 49.2630619576 2006 58.9612325445 2007 56.8224872178 2008 54.7473361429 2009 59.0178821765 2010 69.3214215831 2011 96.9291044081 2012 105.894721105 2013 115.9367272418 2014 111.6432956712 2015 100 2016 107.8440065757 2017 130.9199576008 2018 125.6804317695 2019 131.9155104716 2020 119.6483280107 2021 97.2960491966