| Year | Value | | 2024 | 1,249,686 | | 2023 | 1,231,188 | | 2022 | 1,214,437 | | 2021 | 1,210,598 | | 2020 | 1,228,040 | | 2019 | 1,255,367 | | 2018 | 1,292,275 | | 2017 | 1,332,942 | | 2016 | 1,369,529 | | 2015 | 1,390,439 | | 2014 | 1,395,565 | | 2013 | 1,383,354 | | 2012 | 1,365,960 | | 2011 | 1,344,279 | | 2010 | 1,318,881 | | 2009 | 1,290,019 | | 2008 | 1,258,019 | | 2007 | 1,220,665 | | 2006 | 1,182,008 | | 2005 | 1,144,096 | | 2004 | 1,109,004 | | 2003 | 1,079,985 | | 2002 | 1,061,391 | | 2001 | 1,042,277 | | 2000 | 1,011,117 | | 1999 | 971,166 | | 1998 | 928,350 | | 1997 | 879,150 | | 1996 | 828,033 | | 1995 | 788,032 | | 1994 | 756,811 | | 1993 | 726,118 | | 1992 | 697,245 | | 1991 | 672,534 | | 1990 | 653,209 | | 1989 | 637,840 | | 1988 | 625,869 | | 1987 | 622,700 | | 1986 | 623,393 | | 1985 | 627,331 | | 1984 | 631,969 | | 1983 | 634,322 | | 1982 | 632,427 | | 1981 | 626,346 | | 1980 | 618,843 | | 1979 | 611,285 | | 1978 | 606,560 | | 1977 | 603,283 | | 1976 | 599,998 | | 1975 | 594,417 |
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