Year | Value | 2023 | 71.3 | 2022 | 68.3 | 2021 | 67.6 | 2020 | 71.1 | 2019 | 68 | 2018 | 62.7 | 2017 | 57.1 | 2016 | 43 | 2015 | 37.3 | 2014 | 29.1 | 2013 | 27.9 | 2012 | 21.2 | 2011 | 16 | 2010 | 15.9 | 2009 | 14.3 | 2008 | 12.9 | 2007 | 11.7 | 2006 | 11.2 | 2005 | 9.74 | 2004 | 8.41 | 2003 | 5.24 | 2002 | 3.77 | 2001 | 1.08 | 2000 | 0.541 | 1999 | 0.315 | 1998 | 0.227 | 1997 | 0.0682 | 1996 | 0.0319 | 1995 | 9.17E-5 |
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