| Year | Value | | 2023 | 260,231 | | 2022 | 260,823 | | 2021 | 251,908 | | 2020 | 240,220 | | 2019 | 250,805 | | 2018 | 236,538 | | 2017 | 221,221 | | 2016 | 205,847 | | 2015 | 193,444 | | 2014 | 181,104 | | 2013 | 170,346 | | 2012 | 161,070 | | 2011 | 151,786 | | 2010 | 142,505 | | 2009 | 133,288 | | 2008 | 127,162 | | 2007 | 120,876 | | 2006 | 114,853 | | 2005 | 110,259 | | 2004 | 106,760 | | 2003 | 103,243 | | 2002 | 99,739 | | 2001 | 96,232 | | 2000 | 92,799 | | 1999 | 87,989 | | 1998 | 83,543 | | 1997 | 79,343 | | 1996 | 75,365 | | 1995 | 71,622 | | 1994 | 68,711 | | 1993 | 66,124 | | 1992 | 63,713 | | 1991 | 61,434 |
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