Year 2015 = 100 1980 54.211147442 1981 62.1055972521 1982 72.7636267776 1983 66.2940778461 1984 85.1889578353 1985 93.050908607 1986 127.3780277305 1987 74.4047457683 1988 110.0706267135 1989 64.6006453087 1990 62.036370971 1991 75.2595867966 1992 60.4717739604 1993 51.3253646837 1994 100.1758273436 1995 87.5865916789 1996 33.0635528432 1997 71.7525913509 1998 53.529828139 1999 45.0465818195 2000 41.4716865646 2001 31.9352887075 2002 24.8717201772 2003 31.2372224282 2004 38.8885926119 2005 48.0903000406 2006 48.3207779433 2007 48.7784176313 2008 47.6210535473 2009 55.8718321939 2010 83.8947993516 2011 102.3852651619 2012 110.6816419694 2013 78.1086290828 2014 109.4355687865 2015 100 2016 103.2358839577 2017 142.4859396136 2018 149.4359272927 2019 149.1722870534 2020 134.3487418388 2021 129.5501579512