| Year | Value | | 2022 | 2,516,444 | | 2021 | 2,455,361 | | 2020 | 2,394,860 | | 2019 | 2,334,948 | | 2018 | 2,275,925 | | 2017 | 2,217,868 | | 2016 | 2,173,706 | | 2015 | 2,125,660 | | 2014 | 2,078,224 | | 2013 | 2,030,950 | | 2012 | 1,983,444 | | 2011 | 1,935,884 | | 2010 | 1,888,398 | | 2009 | 1,840,812 | | 2008 | 1,793,167 | | 2007 | 1,745,418 | | 2006 | 1,702,599 | | 2005 | 1,661,149 | | 2004 | 1,621,224 | | 2003 | 1,582,770 | | 2002 | 1,545,319 | | 2001 | 1,508,534 | | 2000 | 1,471,744 | | 1999 | 1,435,119 | | 1998 | 1,399,374 | | 1997 | 1,363,968 | | 1996 | 1,303,601 | | 1995 | 1,245,895 | | 1994 | 1,190,700 | | 1993 | 1,137,955 | | 1992 | 1,087,549 | | 1991 | 1,039,325 | | 1990 | 993,208 |
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