Year 2015 = 100 1980 3.3193886872 1981 3.6846431677 1982 3.7823426126 1983 3.7140673526 1984 4.6422744711 1985 4.1675546657 1986 4.3254673014 1987 5.0384700504 1988 5.7193374189 1989 5.7808733044 1990 7.4044194338 1991 7.1298567546 1992 8.9619867922 1993 9.9687258364 1994 11.9350344039 1995 14.8038667853 1996 16.7821393167 1997 18.0907959808 1998 18.5918053801 1999 19.7573057295 2000 22.9633302352 2001 22.1507373142 2002 22.577702454 2003 25.6064518438 2004 30.030075402 2005 33.2869760568 2006 42.3224155639 2007 43.9884156208 2008 52.3546094893 2009 50.3986045245 2010 62.3878613812 2011 72.6753852643 2012 73.209091247 2013 87.423106264 2014 92.1948832327 2015 100 2016 107.8139399676 2017 111.5025333655 2018 121.5330430683 2019 121.2582164624 2020 98.3093268552 2021 128.0890522649