| Year | Value | | 2024 | 780,901 | | 2023 | 777,904 | | 2022 | 774,600 | | 2021 | 770,724 | | 2020 | 764,960 | | 2019 | 754,475 | | 2018 | 737,706 | | 2017 | 719,047 | | 2016 | 702,779 | | 2015 | 689,569 | | 2014 | 679,536 | | 2013 | 671,183 | | 2012 | 662,842 | | 2011 | 653,301 | | 2010 | 641,950 | | 2009 | 628,735 | | 2008 | 614,877 | | 2007 | 601,511 | | 2006 | 588,535 | | 2005 | 576,105 | | 2004 | 564,420 | | 2003 | 553,399 | | 2002 | 543,033 | | 2001 | 533,482 | | 2000 | 524,644 | | 1999 | 516,180 | | 1998 | 507,635 | | 1997 | 499,014 | | 1996 | 490,308 | | 1995 | 481,313 | | 1994 | 472,127 | | 1993 | 462,745 | | 1992 | 452,723 | | 1991 | 442,294 | | 1990 | 431,477 | | 1989 | 419,958 | | 1988 | 408,104 | | 1987 | 395,996 | | 1986 | 383,903 | | 1985 | 372,010 | | 1984 | 360,378 | | 1983 | 349,147 | | 1982 | 338,414 | | 1981 | 328,166 | | 1980 | 318,269 | | 1979 | 309,105 | | 1978 | 299,865 | | 1977 | 288,867 | | 1976 | 276,617 | | 1975 | 264,468 |
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