Year | Value | 2022 | 90.948292042256 | 2021 | 90.839802834256 | 2020 | 90.330502653534 | 2019 | 85.674193766195 | 2018 | 84.585605513926 | 2017 | 83.505014170383 | 2016 | 83.811555981083 | 2015 | 83.384529752765 | 2014 | 81.835193263479 | 2013 | 82.827717507592 | 2012 | 83.347129826058 | 2011 | 81.845042374178 | 2010 | 79.912847935578 | 2009 | 83.015818388598 | 2008 | 82.000257370083 | 2007 | 81.487960203209 | 2006 | 82.344282161476 | 2005 | 82.819066066971 | 2004 | 82.740595395478 | 2003 | 83.435872012715 | 2002 | 83.374307068746 | 2001 | 83.644209732167 | 2000 | 82.780565977604 | 1999 | 84.162777538166 | 1998 | 84.924421874696 | 1997 | 82.209565705942 | 1996 | 81.683084809227 | 1995 | 81.857203862349 | 1994 | 81.387219360716 | 1993 | 82.264927530853 | 1992 | 81.610266723617 | 1991 | 80.201320643211 | 1990 | 77.500871165356 | 1989 | 76.471694624024 | 1988 | 76.360470127387 | 1987 | 76.476414236013 | 1986 | 78.913341127654 | 1985 | 79.105211721711 | 1984 | 73.182186979419 | 1983 | 68.353924252486 | 1982 | 70.587596847447 | 1981 | 69.456270057985 |
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