| Year | Value | | 2024 | 1,224,175 | | 2023 | 1,174,035 | | 2022 | 1,122,766 | | 2021 | 1,080,105 | | 2020 | 1,049,011 | | 2019 | 1,016,058 | | 2018 | 986,577 | | 2017 | 965,706 | | 2016 | 947,463 | | 2015 | 918,662 | | 2014 | 883,640 | | 2013 | 842,748 | | 2012 | 795,321 | | 2011 | 746,296 | | 2010 | 707,622 | | 2009 | 675,843 | | 2008 | 645,413 | | 2007 | 616,792 | | 2006 | 592,272 | | 2005 | 572,989 | | 2004 | 559,913 | | 2003 | 551,366 | | 2002 | 548,009 | | 2001 | 547,721 | | 2000 | 548,088 | | 1999 | 548,105 | | 1998 | 546,314 | | 1997 | 540,994 | | 1996 | 532,427 | | 1995 | 523,542 | | 1994 | 516,004 | | 1993 | 509,178 | | 1992 | 503,090 | | 1991 | 496,846 | | 1990 | 488,879 | | 1989 | 476,286 | | 1988 | 458,093 | | 1987 | 439,466 | | 1986 | 420,611 | | 1985 | 405,823 | | 1984 | 397,434 | | 1983 | 395,497 | | 1982 | 395,186 | | 1981 | 391,652 | | 1980 | 384,889 | | 1979 | 374,920 | | 1978 | 364,533 | | 1977 | 354,198 | | 1976 | 342,998 | | 1975 | 331,691 |
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