| Year | Value | | 2024 | 1,075,467 | | 2023 | 1,024,257 | | 2022 | 985,478 | | 2021 | 957,072 | | 2020 | 927,952 | | 2019 | 887,029 | | 2018 | 841,730 | | 2017 | 792,098 | | 2016 | 744,388 | | 2015 | 707,639 | | 2014 | 681,203 | | 2013 | 654,327 | | 2012 | 629,390 | | 2011 | 607,846 | | 2010 | 590,115 | | 2009 | 575,157 | | 2008 | 564,059 | | 2007 | 557,880 | | 2006 | 555,937 | | 2005 | 555,244 | | 2004 | 555,486 | | 2003 | 555,238 | | 2002 | 553,617 | | 2001 | 549,951 | | 2000 | 546,069 | | 1999 | 543,674 | | 1998 | 542,534 | | 1997 | 541,306 | | 1996 | 539,179 | | 1995 | 535,286 | | 1994 | 526,582 | | 1993 | 511,147 | | 1992 | 491,876 | | 1991 | 471,375 | | 1990 | 452,948 | | 1989 | 439,886 | | 1988 | 432,184 | | 1987 | 427,396 | | 1986 | 419,202 | | 1985 | 408,662 | | 1984 | 394,943 | | 1983 | 380,207 | | 1982 | 366,920 | | 1981 | 354,181 | | 1980 | 341,722 | | 1979 | 329,443 | | 1978 | 318,079 | | 1977 | 306,538 | | 1976 | 295,645 | | 1975 | 286,326 |
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