Year | Value | 2023 | 687,288 | 2022 | 696,183 | 2021 | 703,531 | 2020 | 707,880 | 2019 | 710,088 | 2018 | 706,772 | 2017 | 695,669 | 2016 | 678,058 | 2015 | 655,122 | 2014 | 617,698 | 2013 | 559,629 | 2012 | 490,769 | 2011 | 428,313 | 2010 | 379,222 | 2009 | 351,686 | 2008 | 358,808 | 2007 | 393,082 | 2006 | 431,482 | 2005 | 462,403 | 2004 | 485,769 | 2003 | 497,303 | 2002 | 497,900 | 2001 | 493,025 | 2000 | 486,105 | 1999 | 478,166 | 1998 | 463,088 | 1997 | 446,152 | 1996 | 433,867 | 1995 | 420,500 | 1994 | 405,795 | 1993 | 381,680 | 1992 | 345,322 | 1991 | 314,133 | 1990 | 291,502 | 1989 | 267,501 | 1988 | 245,713 | 1987 | 223,997 | 1986 | 200,965 | 1985 | 182,650 | 1984 | 170,092 | 1983 | 157,770 | 1982 | 144,797 | 1981 | 133,041 | 1980 | 128,360 | 1979 | 124,071 | 1978 | 121,597 | 1977 | 127,582 | 1976 | 139,132 | 1975 | 160,273 | 1974 | 174,882 |
|