Year | Value | 2021 | 5.804921577 | 2020 | 3.787954422 | 2019 | 2.731443388 | 2018 | 2.7 | 2017 | 2.660748535 | 2016 | 2.2 | 2015 | 2 | 2014 | 1.4 | 2013 | 1.264218111 | 2012 | 1.219999945 | 2011 | 1.11 | 2010 | 1 | 2009 | 0.9 | 2008 | 0.81 | 2007 | 0.7 | 2006 | 0.65759259 | 2005 | 0.542142866 | 2004 | 0.349060462 | 2003 | 0.201273197 | 2002 | 0.118228412 | 2001 | 0.106001245 | 2000 | 0.077248447 | 1999 | 0.039204469 | 1998 | 0.015842776 | 1997 | 0.007979439 | 1996 | 0.000803592 |
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