Year | Value | 2021 | 81.60682285 | 2020 | 65.63058022 | 2019 | 51.07999408 | 2018 | 47.13000188 | 2017 | 23.71426517 | 2016 | 22.2657705 | 2015 | 22.50000413 | 2014 | 19.94244743 | 2013 | 17.69998424 | 2012 | 16.4 | 2011 | 12.49999111 | 2010 | 10.2 | 2009 | 10 | 2008 | 9.8 | 2007 | 9 | 2002 | 2.039572603 | 2001 | 1.653238239 | 2000 | 1.255652004 | 1999 | 0.50847156 | 1998 | 0.145810542 | 1997 | 0.112742554 | 1996 | 0.018160749 | 1995 | 0.008811225 |
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