Year | Value | 2022 | 78.741898386687 | 2021 | 76.374867033037 | 2020 | 75.035232131377 | 2019 | 75.693773079616 | 2018 | 75.362620201335 | 2017 | 76.762263511875 | 2016 | 80.432289527693 | 2015 | 78.519869191572 | 2014 | 76.563161307686 | 2013 | 77.432581672909 | 2012 | 74.777115197816 | 2011 | 73.204742390435 | 2010 | 74.025893846588 | 2009 | 69.400092353308 | 2008 | 65.374600331539 | 2007 | 66.866587442355 | 2006 | 64.833835899815 | 2005 | 65.90719946745 | 2004 | 68.515904086127 | 2003 | 73.184101991061 | 2002 | 75.913639902285 | 2001 | 76.326071508334 | 2000 | 75.128609165745 | 1999 | 83.162224122218 | 1998 | 79.391847519839 | 1997 | 81.297462199154 | 1996 | 84.046658782167 | 1995 | 76.006490364688 | 1994 | 79.975214866148 | 1993 | 92.771797749031 | 1992 | 56.095420788873 |
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