Year | Value | 2023 | 56,843 | 2022 | 55,971 | 2021 | 55,998 | 2020 | 56,345 | 2019 | 56,084 | 2018 | 56,981 | 2017 | 57,745 | 2016 | 58,431 | 2015 | 59,067 | 2014 | 59,525 | 2013 | 58,322 | 2012 | 57,024 | 2011 | 55,727 | 2010 | 54,274 | 2009 | 52,889 | 2008 | 51,994 | 2007 | 51,147 | 2006 | 50,042 | 2005 | 48,854 | 2004 | 47,815 | 2003 | 46,777 | 2002 | 45,617 | 2001 | 44,523 | 2000 | 43,507 | 1999 | 42,520 | 1998 | 41,600 | 1997 | 40,878 | 1996 | 39,893 | 1995 | 38,953 | 1994 | 37,689 | 1993 | 36,423 | 1992 | 35,273 | 1991 | 34,146 |
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