Year | Value | 2021 | 44.02167324 | 2020 | 41.95429049 | 2019 | 30.63536537 | 2018 | 28.7 | 2017 | 23.62108195 | 2016 | 16 | 2015 | 10.9 | 2014 | 7.4 | 2013 | 1.8 | 2012 | 1.4 | 2011 | 0.98 | 2010 | 0.25 | 2009 | 0.22 | 2008 | 0.22 | 2007 | 0.217128445 | 2006 | 0.182048331 | 2005 | 0.065238856 | 2004 | 0.024337392 | 2003 | 0.024064149 | 2002 | 0.000426494 | 2001 | 0.000289277 | 1999 | 0.000151709 |
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