Year | Value | 2021 | 84.91281395 | 2020 | 80.429529 | 2019 | 73.96834305 | 2018 | 56 | 2017 | 53.7 | 2016 | 51.5 | 2015 | 49.4 | 2014 | 47.4 | 2013 | 43.5 | 2012 | 40 | 2011 | 36.7 | 2010 | 33.7 | 2009 | 31 | 2008 | 21 | 2007 | 16 | 2006 | 12 | 2005 | 9.198278082 | 2004 | 7.371165842 | 2003 | 6.462274167 | 2002 | 5.54959488 | 2001 | 5.094809778 | 2000 | 3.245037411 | 1999 | 2.7820023 | 1998 | 1.853997683 | 1997 | 0.926371957 | 1996 | 0.483248317 | 1995 | 0.128634622 |
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