| Year | Value | | 2022 | 87.041793431636 | | 2021 | 72.18832866454 | | 2020 | 76.679573323215 | | 2019 | 82.905288158528 | | 2018 | 84.21171300436 | | 2017 | 78.802656878098 | | 2016 | 90.612389959834 | | 2015 | 85.354175165798 | | 2014 | 81.802466916592 | | 2013 | 82.731799086425 | | 2012 | 92.417462082273 | | 2011 | 81.274804937055 | | 2010 | 79.743953047955 | | 2009 | 94.755868338708 | | 2008 | 94.859589888417 | | 2007 | 88.289943256854 | | 2006 | 89.916721415842 | | 2005 | 94.646338909695 | | 2004 | 91.620467050303 | | 2003 | 96.505915261741 | | 2002 | 90.538368946471 | | 2001 | 94.362427095131 | | 2000 | 89.681682526131 | | 1999 | 90.837554984839 | | 1998 | 100.99913013142 | | 1997 | 93.749999921875 | | 1996 | 72.458917016259 | | 1995 | 85.870353244953 | | 1994 | 89.366107308679 |
|