| Year | Value | | 2023 | 2,002,952 | | 2022 | 1,979,999 | | 2021 | 1,944,684 | | 2020 | 1,900,157 | | 2019 | 2,025,804 | | 2018 | 2,033,180 | | 2017 | 2,025,840 | | 2016 | 2,019,737 | | 2015 | 2,019,499 | | 2014 | 1,995,827 | | 2013 | 1,989,000 | | 2012 | 1,972,467 | | 2011 | 1,955,175 | | 2010 | 1,959,429 | | 2009 | 1,976,788 | | 2008 | 1,914,594 | | 2007 | 1,890,200 | | 2006 | 1,847,519 | | 2005 | 1,779,599 | | 2004 | 1,713,620 | | 2003 | 1,670,763 | | 2002 | 1,636,907 | | 2001 | 1,615,776 | | 2000 | 1,589,519 | | 1999 | 1,551,055 | | 1998 | 1,514,493 | | 1997 | 1,506,516 | | 1996 | 1,488,308 | | 1995 | 1,448,213 | | 1994 | 1,432,165 | | 1993 | 1,421,770 | | 1992 | 1,481,453 | | 1991 | 1,521,654 |
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