| Year | Value | | 2023 | 1,818,568 | | 2022 | 1,766,186 | | 2021 | 1,695,690 | | 2020 | 1,653,479 | | 2019 | 1,623,776 | | 2018 | 1,624,720 | | 2017 | 1,624,961 | | 2016 | 1,623,800 | | 2015 | 1,620,864 | | 2014 | 1,616,746 | | 2013 | 1,612,128 | | 2012 | 1,606,512 | | 2011 | 1,599,371 | | 2010 | 1,591,606 | | 2009 | 1,583,441 | | 2008 | 1,574,323 | | 2007 | 1,564,511 | | 2006 | 1,555,946 | | 2005 | 1,550,886 | | 2004 | 1,547,063 | | 2003 | 1,540,568 | | 2002 | 1,532,337 | | 2001 | 1,509,378 | | 2000 | 1,492,866 | | 1999 | 1,465,974 | | 1998 | 1,436,195 | | 1997 | 1,413,702 | | 1996 | 1,390,499 | | 1995 | 1,357,205 | | 1994 | 1,324,309 | | 1993 | 1,290,197 | | 1992 | 1,256,938 | | 1991 | 1,223,324 |
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