Year | Value | 2023 | 58.5 | 2022 | 57.7 | 2021 | 57.5 | 2017 | 46.2 | 2016 | 40 | 2015 | 38.7 | 2014 | 36 | 2013 | 32.8 | 2012 | 30 | 2011 | 25 | 2010 | 16 | 2009 | 10 | 2008 | 8.11 | 2007 | 7.18 | 2006 | 5.85 | 2005 | 4.91 | 2004 | 3.95 | 2003 | 2.99 | 2002 | 2.91 | 2001 | 2.83 | 2000 | 2.43 | 1999 | 1.02 | 1998 | 0.765 | 1997 | 0.511 | 1996 | 0.164 | 1995 | 0.123 |
|