| Year | Value | | 2024 | 826,879 | | 2023 | 775,536 | | 2022 | 730,322 | | 2021 | 697,716 | | 2020 | 675,923 | | 2019 | 654,524 | | 2018 | 633,134 | | 2017 | 614,235 | | 2016 | 596,369 | | 2015 | 577,682 | | 2014 | 561,128 | | 2013 | 542,940 | | 2012 | 523,567 | | 2011 | 502,828 | | 2010 | 481,975 | | 2009 | 461,544 | | 2008 | 442,778 | | 2007 | 424,621 | | 2006 | 406,309 | | 2005 | 387,930 | | 2004 | 370,288 | | 2003 | 353,479 | | 2002 | 337,384 | | 2001 | 320,823 | | 2000 | 305,054 | | 1999 | 292,913 | | 1998 | 285,236 | | 1997 | 279,060 | | 1996 | 272,073 | | 1995 | 263,763 | | 1994 | 253,969 | | 1993 | 243,684 | | 1992 | 233,820 | | 1991 | 224,392 | | 1990 | 215,563 | | 1989 | 207,349 | | 1988 | 199,956 | | 1987 | 193,539 | | 1986 | 187,010 | | 1985 | 181,613 | | 1984 | 176,041 | | 1983 | 170,056 | | 1982 | 164,595 | | 1981 | 159,529 | | 1980 | 155,049 | | 1979 | 150,996 | | 1978 | 148,076 | | 1977 | 145,909 | | 1976 | 144,165 | | 1975 | 142,904 |
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