Year | Value | 2022 | 138.58378956189 | 2021 | 135.42414997687 | 2020 | 134.69256771457 | 2019 | 136.56317492749 | 2018 | 136.26335503387 | 2017 | 136.44533679976 | 2016 | 132.70637014427 | 2015 | 132.04284243105 | 2014 | 130.79608543527 | 2013 | 128.08077084279 | 2012 | 123.3851871343 | 2011 | 111.27341460559 | 2010 | 100 | 2009 | 94.206413557386 | 2008 | 90.123652929141 | 2007 | 80.437772103249 | 2006 | 75.319951939078 | 2005 | 73.312350894896 | 2004 | 72.371324646609 | 2003 | 73.611990052103 | 2002 | 74.551828524186 | 2001 | 71.561507559457 | 2000 | 71.083416585634 | 1999 | 71.928400368554 | 1998 | 69.864797989167 | 1997 | 70.859849076649 | 1996 | 65.871508632776 | 1995 | 62.001822423681 | 1994 | 58.775705454543 | 1993 | 56.850683888598 | 1992 | 47.32534221414 | 1991 | 40.49885596283 | 1990 | 35.304295888666 | 1989 | 34.061095870916 | 1988 | 31.783532761476 | 1987 | 29.855926580108 | 1986 | 27.214966542403 | 1985 | 24.803520354127 |
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