Year | Value | 2022 | 574,172 | 2021 | 547,124 | 2020 | 524,185 | 2019 | 505,963 | 2018 | 492,853 | 2017 | 485,308 | 2016 | 484,234 | 2015 | 490,019 | 2014 | 501,002 | 2013 | 514,240 | 2012 | 526,461 | 2011 | 539,132 | 2010 | 547,494 | 2009 | 543,798 | 2008 | 531,691 | 2007 | 517,555 | 2006 | 500,252 | 2005 | 485,998 | 2004 | 480,535 | 2003 | 474,530 | 2002 | 464,022 | 2001 | 451,206 | 2000 | 437,635 | 1999 | 422,265 | 1998 | 404,701 | 1997 | 387,497 | 1996 | 371,985 | 1995 | 357,541 | 1994 | 347,335 | 1993 | 343,110 | 1992 | 338,729 | 1991 | 327,742 | 1990 | 314,268 | 1989 | 303,484 | 1988 | 297,970 | 1987 | 297,224 | 1986 | 292,645 | 1985 | 284,457 | 1984 | 277,103 | 1983 | 272,029 | 1982 | 263,979 | 1981 | 252,992 | 1980 | 212,453 | 1979 | 179,774 | 1978 | 189,900 | 1977 | 196,573 | 1976 | 191,932 | 1975 | 182,658 | 1974 | 172,894 | 1973 | 168,386 | 1972 | 168,525 | 1971 | 167,181 | 1970 | 165,065 | 1969 | 161,295 | 1968 | 155,963 | 1967 | 150,626 | 1966 | 145,659 | 1965 | 141,102 | 1964 | 136,845 | 1963 | 133,018 | 1962 | 129,724 | 1961 | 126,809 | 1960 | 124,166 |
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