Year | Value | 2021 | 62 | 2020 | 54 | 2019 | 47.03225806 | 2018 | 36.3 | 2017 | 25.51043508 | 2016 | 21.87 | 2015 | 18.2 | 2014 | 14.26 | 2013 | 12.5 | 2012 | 10.74767619 | 2011 | 9 | 2010 | 7 | 2009 | 6 | 2008 | 3.55 | 2007 | 1.64 | 2006 | 1.169893428 | 2005 | 0.85035749 | 2004 | 0.36143449 | 2003 | 0.333912466 | 2002 | 0.267899241 | 2001 | 0.181664461 | 2000 | 0.111044032 | 1999 | 0.037780708 | 1998 | 0.009657814 |
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