Year | Value | 2021 | 24.40560063 | 2020 | 18.92676996 | 2019 | 13.43919985 | 2018 | 8 | 2017 | 7 | 2016 | 6.3 | 2015 | 6 | 2014 | 5.83 | 2013 | 5.05 | 2012 | 4.3506 | 2011 | 3.33 | 2010 | 2.26 | 2009 | 1.07 | 2008 | 0.7 | 2007 | 0.965864737 | 2006 | 0.42513749 | 2005 | 0.384489334 | 2004 | 0.347505335 | 2003 | 0.278815116 | 2002 | 0.215094727 | 2001 | 0.164020725 | 2000 | 0.126780945 | 1999 | 0.087278755 | 1998 | 0.018057365 | 1997 | 0.004668518 |
|