Year | Value | 2022 | 560,377 | 2021 | 558,962 | 2020 | 559,866 | 2019 | 557,751 | 2018 | 552,107 | 2017 | 545,719 | 2016 | 538,400 | 2015 | 529,872 | 2014 | 521,388 | 2013 | 513,420 | 2012 | 505,777 | 2011 | 499,864 | 2010 | 496,884 | 2009 | 495,136 | 2008 | 494,245 | 2007 | 494,392 | 2006 | 493,573 | 2005 | 492,304 | 2004 | 494,744 | 2003 | 502,839 | 2002 | 517,995 | 2001 | 540,357 | 2000 | 566,998 | 1999 | 595,158 | 1998 | 617,633 | 1997 | 630,122 | 1996 | 635,166 | 1995 | 636,012 | 1994 | 635,110 | 1993 | 635,355 | 1992 | 636,629 | 1991 | 636,980 | 1990 | 634,062 | 1989 | 627,618 | 1988 | 619,722 | 1987 | 611,013 | 1986 | 601,683 | 1985 | 593,268 | 1984 | 585,540 | 1983 | 578,255 | 1982 | 573,189 | 1981 | 568,390 | 1980 | 562,743 | 1979 | 559,114 | 1978 | 560,177 | 1977 | 567,643 | 1976 | 582,302 | 1975 | 581,163 | 1974 | 562,971 | 1973 | 543,030 | 1972 | 511,482 | 1971 | 467,949 | 1970 | 439,678 | 1969 | 427,647 | 1968 | 413,992 | 1967 | 404,220 | 1966 | 397,940 | 1965 | 391,205 | 1964 | 384,005 | 1963 | 378,615 | 1962 | 377,056 | 1961 | 378,397 | 1960 | 381,054 |
|