Year | Value | 2022 | 557,262 | 2021 | 553,218 | 2020 | 548,766 | 2019 | 543,582 | 2018 | 538,915 | 2017 | 535,070 | 2016 | 531,101 | 2015 | 526,643 | 2014 | 521,421 | 2013 | 514,698 | 2012 | 506,328 | 2011 | 496,318 | 2010 | 484,884 | 2009 | 472,588 | 2008 | 459,886 | 2007 | 447,339 | 2006 | 435,576 | 2005 | 424,790 | 2004 | 414,935 | 2003 | 405,932 | 2002 | 397,403 | 2001 | 388,941 | 2000 | 381,001 | 1999 | 373,714 | 1998 | 366,563 | 1997 | 359,513 | 1996 | 352,737 | 1995 | 346,373 | 1994 | 340,302 | 1993 | 334,454 | 1992 | 327,962 | 1991 | 320,684 | 1990 | 313,548 | 1989 | 306,661 | 1988 | 299,980 | 1987 | 293,594 | 1986 | 287,519 | 1985 | 281,615 | 1984 | 275,792 | 1983 | 270,039 | 1982 | 263,988 | 1981 | 257,577 | 1980 | 251,085 | 1979 | 244,516 | 1978 | 237,901 | 1977 | 231,677 | 1976 | 226,028 | 1975 | 220,748 | 1974 | 215,619 | 1973 | 210,839 | 1972 | 207,201 | 1971 | 204,496 | 1970 | 201,845 | 1969 | 199,032 | 1968 | 195,661 | 1967 | 190,875 | 1966 | 184,893 | 1965 | 178,644 | 1964 | 172,614 | 1963 | 166,983 | 1962 | 161,895 | 1961 | 157,466 | 1960 | 153,633 |
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