| Year | Value | | 2024 | 1,086,917 | | 2023 | 1,043,145 | | 2022 | 1,003,312 | | 2021 | 972,441 | | 2020 | 949,068 | | 2019 | 922,718 | | 2018 | 894,346 | | 2017 | 868,672 | | 2016 | 844,990 | | 2015 | 821,897 | | 2014 | 797,524 | | 2013 | 771,601 | | 2012 | 745,719 | | 2011 | 720,333 | | 2010 | 695,399 | | 2009 | 671,940 | | 2008 | 650,008 | | 2007 | 628,309 | | 2006 | 605,692 | | 2005 | 582,750 | | 2004 | 559,988 | | 2003 | 536,903 | | 2002 | 513,594 | | 2001 | 490,027 | | 2000 | 467,232 | | 1999 | 447,073 | | 1998 | 428,744 | | 1997 | 410,818 | | 1996 | 393,453 | | 1995 | 376,940 | | 1994 | 361,547 | | 1993 | 347,483 | | 1992 | 334,733 | | 1991 | 323,487 | | 1990 | 314,160 | | 1989 | 306,634 | | 1988 | 299,147 | | 1987 | 290,314 | | 1986 | 279,971 | | 1985 | 267,551 | | 1984 | 252,834 | | 1983 | 236,274 | | 1982 | 218,469 | | 1981 | 200,230 | | 1980 | 186,063 | | 1979 | 176,268 | | 1978 | 167,228 | | 1977 | 159,270 | | 1976 | 152,231 | | 1975 | 145,474 |
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