Year | Value | 2021 | 34.68012393 | 2020 | 28.8232306 | 2019 | 23.36626025 | 2018 | 21.83002304 | 2017 | 18.7 | 2016 | 13.1 | 2015 | 9.2 | 2014 | 6.4 | 2013 | 4.5 | 2012 | 3.1 | 2011 | 2 | 2010 | 1 | 2009 | 0.94 | 2008 | 0.92 | 2007 | 0.780025279 | 2006 | 0.637492123 | 2005 | 0.542254181 | 2004 | 0.508819332 | 2003 | 0.450960371 | 2002 | 0.402022749 | 2001 | 0.175541868 | 2000 | 0.095424924 | 1999 | 0.060808919 | 1998 | 0.006203369 | 1997 | 0.003803109 | 1996 | 0.001948942 | 1995 | 0.000668589 | 1994 | 0.000138318 |
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