Year | Value | 2023 | 6,583,587 | 2022 | 6,547,744 | 2021 | 6,512,037 | 2020 | 6,475,368 | 2019 | 6,443,813 | 2018 | 6,418,331 | 2017 | 6,392,484 | 2016 | 6,365,662 | 2015 | 6,337,454 | 2014 | 6,307,775 | 2013 | 6,276,725 | 2012 | 6,244,376 | 2011 | 6,210,600 | 2010 | 6,174,991 | 2009 | 5,818,211 | 2008 | 5,044,718 | 2007 | 4,181,088 | 2006 | 3,428,088 | 2005 | 2,955,416 | 2004 | 2,743,771 | 2003 | 2,616,985 | 2002 | 2,490,318 | 2001 | 2,363,814 | 2000 | 2,237,588 | 1999 | 2,111,979 | 1998 | 1,987,116 | 1997 | 1,862,993 | 1996 | 1,739,745 | 1995 | 1,641,639 | 1994 | 1,568,420 | 1993 | 1,494,992 | 1992 | 1,420,821 | 1991 | 1,346,225 | 1990 | 1,271,462 | 1989 | 1,196,684 | 1988 | 1,122,008 | 1987 | 1,047,578 | 1986 | 973,514 | 1985 | 917,181 | 1984 | 878,846 | 1983 | 841,133 | 1982 | 804,030 | 1981 | 768,133 | 1980 | 714,328 | 1979 | 641,645 | 1978 | 569,890 | 1977 | 500,721 | 1976 | 434,554 | 1975 | 383,185 | 1974 | 345,330 |
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