Year | Value | 2021 | 73.179487179487 | 2020 | 73.179487179487 | 2019 | 73.179487179487 | 2018 | 73.179487179487 | 2017 | 73.179487179487 | 2016 | 73.179487179487 | 2015 | 73.179487179487 | 2014 | 73.179487179487 | 2013 | 73.179487179487 | 2012 | 73.179487179487 | 2011 | 73.179487179487 | 2010 | 73.179487179487 | 2009 | 73.179487179487 | 2008 | 73.179487179487 | 2007 | 73.179487179487 | 2006 | 73.179487179487 | 2005 | 73.179487179487 | 2004 | 73.179487179487 | 2003 | 73.179487179487 | 2002 | 73.179487179487 | 2001 | 73.179487179487 | 2000 | 73.179487179487 | 1999 | 72.923076923077 | 1998 | 72.666666666667 | 1997 | 72.410256410256 | 1996 | 72.153846153846 | 1995 | 71.897435897436 | 1994 | 71.641025641026 | 1993 | 71.384615384615 | 1992 | 71.128205128205 | 1991 | 70.871794871795 | 1990 | 70.615384615385 |
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