| Year | Value | | 2024 | 747,093 | | 2023 | 697,927 | | 2022 | 646,748 | | 2021 | 601,399 | | 2020 | 569,246 | | 2019 | 541,070 | | 2018 | 513,059 | | 2017 | 487,133 | | 2016 | 466,240 | | 2015 | 450,054 | | 2014 | 438,346 | | 2013 | 427,564 | | 2012 | 419,545 | | 2011 | 414,177 | | 2010 | 410,401 | | 2009 | 406,375 | | 2008 | 401,561 | | 2007 | 394,903 | | 2006 | 386,363 | | 2005 | 376,644 | | 2004 | 367,623 | | 2003 | 358,900 | | 2002 | 350,339 | | 2001 | 341,810 | | 2000 | 333,172 | | 1999 | 322,989 | | 1998 | 310,404 | | 1997 | 296,326 | | 1996 | 282,084 | | 1995 | 269,954 | | 1994 | 262,535 | | 1993 | 259,629 | | 1992 | 257,920 | | 1991 | 254,399 | | 1990 | 248,260 | | 1989 | 239,332 | | 1988 | 229,072 | | 1987 | 220,220 | | 1986 | 211,856 | | 1985 | 204,716 | | 1984 | 198,139 | | 1983 | 192,204 | | 1982 | 186,879 | | 1981 | 181,533 | | 1980 | 176,248 | | 1979 | 170,432 | | 1978 | 164,307 | | 1977 | 158,184 | | 1976 | 152,602 | | 1975 | 147,734 |
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