Year 2015 = 100 1980 77.7157179169 1981 69.2447739108 1982 65.5742379278 1983 67.0008926251 1984 68.3338204358 1985 67.4502614574 1986 73.1056946333 1987 80.9802335843 1988 81.1849588902 1989 78.415859517 1990 77.8262665933 1991 79.1227986126 1992 78.2511203174 1993 76.090860993 1994 74.9563363019 1995 74.3513206561 1996 76.1848998347 1997 76.7741481711 1998 79.1227986126 1999 81.4450435972 2000 84.0169923426 2001 82.7543223302 2002 87.5896747176 2003 121.1975700928 2004 117.0249758103 2005 106.6916539195 2006 100.7889875278 2007 100.2564827053 2008 88.9024326614 2009 93.959259663 2010 84.913869283 2011 82.9101366819 2012 83.6275260547 2013 88.6718022367 2014 88.0929285201 2015 100 2016 106.6657138412 2017 99.9214317617 2018 94.2689486493 2019 97.3129510754 2020 101.606733148 2021 93.7609558683