Year | Value | 2022 | 80.713389764224 | 2021 | 82.045813422211 | 2020 | 80.763403419989 | 2019 | 79.949528044766 | 2018 | 80.938652172367 | 2017 | 78.90075140236 | 2016 | 79.135038682346 | 2015 | 85.705318167579 | 2014 | 76.454775910059 | 2013 | 79.654738497567 | 2012 | 85.247251806603 | 2011 | 87.157949937715 | 2010 | 84.756664775802 | 2009 | 85.436335631796 | 2008 | 84.720209671933 | 2007 | 91.158487175368 | 2006 | 91.746679221403 | 2005 | 88.126310561141 | 2004 | 89.772565908073 | 2003 | 92.783957814287 | 2002 | 94.243915355762 | 2001 | 92.991752090668 | 2000 | 91.96239303613 | 1999 | 91.569877733854 | 1998 | 93.97074072851 | 1997 | 85.933240119244 | 1996 | 89.244373938373 | 1995 | 95.065148181932 | 1994 | 92.295245519025 | 1993 | 93.822390815302 | 1992 | 100.26486732672 | 1991 | 100.76617528206 | 1990 | 100.4770499227 | 1989 | 99.062492317801 | 1988 | 99.794410935883 | 1987 | 100.41620492346 | 1986 | 95.426529074337 | 1985 | 93.439869477749 | 1984 | 93.697489942924 | 1983 | 97.574765659872 | 1982 | 100.04592422503 | 1969 | 84.796933029831 | 1968 | 85.587044534413 | 1967 | 85.627442466348 | 1966 | 88.260211800303 | 1965 | 87.543526432415 | 1964 | 81.060573706314 | 1963 | 82.785715011017 | 1962 | 86.336662324504 | 1961 | 87.2323806901 | 1960 | 83.782430925536 |
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