Year | Value | 2023 | 89.5 | 2022 | 88 | 2021 | 85.3 | 2020 | 77.8 | 2019 | 66.7 | 2018 | 56.8 | 2017 | 52.9 | 2016 | 47.5 | 2015 | 39.3 | 2014 | 34.9 | 2013 | 28.9 | 2012 | 26.5 | 2011 | 23.7 | 2010 | 22.4 | 2009 | 20.1 | 2008 | 18.2 | 2007 | 20 | 2006 | 17.2 | 2005 | 15 | 2004 | 10.7 | 2003 | 9.3 | 2002 | 7.53 | 2001 | 5.56 | 2000 | 3.69 | 1999 | 2.43 | 1998 | 1.09 | 1997 | 0.361 | 1996 | 0.115 | 1995 | 0.0748 | 1994 | 0.0386 | 1993 | 0.0136 | 1992 | 0.000344 | 1991 | 5.22E-5 |
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