Year | Value | 2022 | 85.197700450143 | 2021 | 83.738370491054 | 2020 | 80.101387193744 | 2019 | 77.058319963708 | 2018 | 73.100043293534 | 2017 | 67.01010780433 | 2016 | 63.297860283157 | 2015 | 59.385031012335 | 2014 | 57.559753068922 | 2013 | 53.557801106747 | 2012 | 50.722566926085 | 2011 | 45.413967909154 | 2010 | 40.045662149703 | 2009 | 34.798662881882 | 2008 | 28.302122439802 | 2007 | 23.026743554417 | 2006 | 17.80240609988 | 2005 | 15.017621864334 | 2004 | 12.925094706637 | 2003 | 9.1223217519934 | 2002 | 6.6102681394628 | 2001 | 3.6047006492849 | 2000 | 2.4989046708529 | 1999 | 1.5292879792585 | 1998 | 1.01751089947 | 1997 | 0.53530774276514 | 1996 | 0.29871844341308 | 1995 | 0.13980419204006 | 1994 | 0.067196214449582 | 1993 | 0.01897483321214 | 1992 | 0.0049350696273096 | 1991 | 0.00047238604546088 |
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