| Year | Value | | 2023 | 1,559,374 | | 2022 | 1,516,583 | | 2021 | 1,516,188 | | 2020 | 1,453,541 | | 2019 | 1,487,233 | | 2018 | 1,443,443 | | 2017 | 1,436,161 | | 2016 | 1,408,534 | | 2015 | 1,409,375 | | 2014 | 1,331,653 | | 2013 | 1,299,092 | | 2012 | 1,256,812 | | 2011 | 1,239,320 | | 2010 | 1,213,350 | | 2009 | 1,228,184 | | 2008 | 1,253,197 | | 2007 | 1,240,435 | | 2006 | 1,227,830 | | 2005 | 1,215,547 | | 2004 | 1,202,741 | | 2003 | 1,187,098 | | 2002 | 1,177,195 | | 2001 | 1,167,306 | | 2000 | 1,160,867 | | 1999 | 1,154,054 | | 1998 | 1,150,083 | | 1997 | 1,141,991 | | 1996 | 1,133,680 | | 1995 | 1,125,457 | | 1994 | 1,117,568 | | 1993 | 1,109,934 | | 1992 | 1,102,473 | | 1991 | 1,094,046 |
|