| Year | Value | | 2024 | 898,566 | | 2023 | 862,748 | | 2022 | 829,214 | | 2021 | 821,250 | | 2020 | 829,076 | | 2019 | 816,047 | | 2018 | 789,961 | | 2017 | 765,461 | | 2016 | 743,154 | | 2015 | 723,020 | | 2014 | 704,976 | | 2013 | 688,162 | | 2012 | 671,608 | | 2011 | 655,505 | | 2010 | 640,798 | | 2009 | 627,659 | | 2008 | 615,821 | | 2007 | 604,348 | | 2006 | 589,330 | | 2005 | 569,508 | | 2004 | 547,841 | | 2003 | 525,870 | | 2002 | 503,444 | | 2001 | 481,271 | | 2000 | 461,309 | | 1999 | 440,314 | | 1998 | 418,365 | | 1997 | 399,278 | | 1996 | 382,786 | | 1995 | 368,991 | | 1994 | 358,124 | | 1993 | 350,230 | | 1992 | 344,508 | | 1991 | 340,707 | | 1990 | 335,426 | | 1989 | 315,266 | | 1988 | 283,666 | | 1987 | 253,473 | | 1986 | 224,675 | | 1985 | 198,065 | | 1984 | 174,299 | | 1983 | 153,378 | | 1982 | 135,063 | | 1981 | 119,227 | | 1980 | 109,018 | | 1979 | 103,515 | | 1978 | 98,344 | | 1977 | 93,156 | | 1976 | 88,044 | | 1975 | 83,449 |
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