Year 2015 = 100 1980 17.5203264716 1981 14.1196654054 1982 12.9274623018 1983 12.774969148 1984 14.3326599553 1985 16.989057426 1986 20.2790898969 1987 27.8411427467 1988 33.0841259388 1989 33.5877818788 1990 38.8676275194 1991 34.5260474642 1992 36.3458933747 1993 36.9324401959 1994 43.181024447 1995 37.8353821925 1996 41.9683063746 1997 40.8249759361 1998 43.5369171087 1999 49.6137938011 2000 47.7537517431 2001 44.2873316596 2002 47.2599850128 2003 63.5880004382 2004 66.1360884841 2005 69.7171756595 2006 76.411448579 2007 76.5442014779 2008 75.8317650225 2009 72.5727878861 2010 76.6540809027 2011 78.9159858241 2012 81.0687681698 2013 84.7689271285 2014 91.1526287004 2015 100 2016 103.8337891417 2017 105.7909121893 2018 106.691603246 2019 111.2573131856 2020 84.4526226565 2021 91.6592948126