| Year | Value | | 2024 | 1,970,117 | | 2023 | 1,873,585 | | 2022 | 1,785,084 | | 2021 | 1,709,939 | | 2020 | 1,657,228 | | 2019 | 1,614,852 | | 2018 | 1,580,104 | | 2017 | 1,557,534 | | 2016 | 1,523,234 | | 2015 | 1,472,731 | | 2014 | 1,411,274 | | 2013 | 1,336,651 | | 2012 | 1,258,061 | | 2011 | 1,185,107 | | 2010 | 1,116,623 | | 2009 | 1,053,741 | | 2008 | 999,305 | | 2007 | 958,420 | | 2006 | 941,300 | | 2005 | 922,675 | | 2004 | 907,633 | | 2003 | 893,815 | | 2002 | 879,511 | | 2001 | 863,874 | | 2000 | 846,764 | | 1999 | 828,057 | | 1998 | 807,506 | | 1997 | 785,162 | | 1996 | 761,299 | | 1995 | 736,197 | | 1994 | 714,545 | | 1993 | 696,932 | | 1992 | 679,456 | | 1991 | 662,100 | | 1990 | 644,592 | | 1989 | 626,893 | | 1988 | 609,181 | | 1987 | 591,543 | | 1986 | 574,072 | | 1985 | 556,767 | | 1984 | 539,738 | | 1983 | 523,080 | | 1982 | 506,957 | | 1981 | 492,271 | | 1980 | 478,792 | | 1979 | 464,989 | | 1978 | 451,419 | | 1977 | 439,452 | | 1976 | 429,563 | | 1975 | 422,463 |
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