Year | Value | 2019 | 109.53435543286 | 2018 | 105.06140595223 | 2017 | 101.38513883105 | 2016 | 102.43849522092 | 2015 | 103.40136457846 | 2014 | 102.91277219904 | 2013 | 102.48087585416 | 2012 | 104.9708529723 | 2011 | 104.31629742195 | 2010 | 100 | 2009 | 97.964166760897 | 2008 | 100.10176867897 | 2007 | 91.873582524102 | 2006 | 87.172733716322 | 2005 | 84.137048487673 | 2004 | 81.372194811176 | 2003 | 79.364952411421 | 2002 | 76.565440386261 | 2001 | 74.108558773481 | 2000 | 72.031456591575 | 1999 | 69.231711426876 | 1998 | 67.688169376879 | 1997 | 66.445969592608 | 1996 | 64.510682597167 | 1995 | 62.495037664199 | 1994 | 60.462651494246 | 1993 | 56.873330284708 | 1992 | 54.054105976471 | 1991 | 52.038461043503 | 1990 | 49.299594672792 | 1989 | 46.580817786463 | 1988 | 44.792853676488 | 1987 | 43.436813480721 | 1986 | 41.910012667708 | 1985 | 41.464695763913 | 1984 | 39.857537016527 | 1980 | 31.98245913814 |
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