| Year | Value | | 2024 | 1,292,387 | | 2023 | 1,303,764 | | 2022 | 1,321,025 | | 2021 | 1,343,626 | | 2020 | 1,366,135 | | 2019 | 1,367,909 | | 2018 | 1,354,911 | | 2017 | 1,337,488 | | 2016 | 1,319,420 | | 2015 | 1,296,535 | | 2014 | 1,274,270 | | 2013 | 1,244,988 | | 2012 | 1,209,795 | | 2011 | 1,171,899 | | 2010 | 1,135,257 | | 2009 | 1,098,104 | | 2008 | 1,065,872 | | 2007 | 1,043,006 | | 2006 | 1,022,365 | | 2005 | 991,005 | | 2004 | 952,229 | | 2003 | 910,361 | | 2002 | 862,282 | | 2001 | 811,093 | | 2000 | 769,675 | | 1999 | 737,245 | | 1998 | 707,069 | | 1997 | 679,176 | | 1996 | 655,936 | | 1995 | 638,770 | | 1994 | 625,928 | | 1993 | 616,513 | | 1992 | 613,368 | | 1991 | 614,510 | | 1990 | 616,267 | | 1989 | 616,998 | | 1988 | 614,666 | | 1987 | 611,497 | | 1986 | 604,793 | | 1985 | 597,662 | | 1984 | 590,346 | | 1983 | 583,634 | | 1982 | 577,697 | | 1981 | 571,717 | | 1980 | 564,847 | | 1979 | 553,546 | | 1978 | 538,044 | | 1977 | 519,304 | | 1976 | 500,651 | | 1975 | 486,221 |
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