Year | Value | 2022 | 641,840 | 2021 | 641,145 | 2020 | 639,203 | 2019 | 635,861 | 2018 | 634,186 | 2017 | 634,643 | 2016 | 634,478 | 2015 | 631,700 | 2014 | 625,375 | 2013 | 617,331 | 2012 | 608,957 | 2011 | 599,739 | 2010 | 590,376 | 2009 | 580,882 | 2008 | 571,646 | 2007 | 565,012 | 2006 | 559,676 | 2005 | 555,014 | 2004 | 552,935 | 2003 | 554,500 | 2002 | 561,243 | 2001 | 574,137 | 2000 | 572,526 | 1999 | 555,070 | 1998 | 535,107 | 1997 | 504,157 | 1996 | 462,842 | 1995 | 436,785 | 1994 | 426,032 | 1993 | 412,995 | 1992 | 402,845 | 1991 | 395,809 | 1990 | 388,434 | 1989 | 380,752 | 1988 | 374,675 | 1987 | 371,935 | 1986 | 372,143 | 1985 | 373,449 | 1984 | 374,996 | 1983 | 376,331 | 1982 | 376,191 | 1981 | 374,317 | 1980 | 372,002 | 1979 | 370,809 | 1978 | 372,531 | 1977 | 375,021 | 1976 | 377,790 | 1975 | 380,541 | 1974 | 376,589 | 1973 | 364,948 | 1972 | 353,989 | 1971 | 344,476 | 1970 | 332,973 | 1969 | 328,344 | 1968 | 332,455 | 1967 | 336,110 | 1966 | 336,222 | 1965 | 334,702 | 1964 | 332,921 | 1963 | 329,990 | 1962 | 326,570 | 1961 | 323,986 | 1960 | 322,463 |
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