Year | Value | 2022 | 773,181 | 2021 | 728,019 | 2020 | 698,055 | 2019 | 672,378 | 2018 | 653,141 | 2017 | 639,636 | 2016 | 630,279 | 2015 | 623,507 | 2014 | 617,240 | 2013 | 609,892 | 2012 | 602,201 | 2011 | 595,285 | 2010 | 587,989 | 2009 | 580,031 | 2008 | 568,150 | 2007 | 556,253 | 2006 | 548,785 | 2005 | 544,608 | 2004 | 545,639 | 2003 | 552,248 | 2002 | 564,955 | 2001 | 581,563 | 2000 | 598,099 | 1999 | 611,573 | 1998 | 622,679 | 1997 | 630,201 | 1996 | 629,092 | 1995 | 623,951 | 1994 | 621,881 | 1993 | 617,338 | 1992 | 608,341 | 1991 | 599,602 | 1990 | 588,133 | 1989 | 577,161 | 1988 | 568,707 | 1987 | 534,985 | 1986 | 503,234 | 1985 | 460,633 | 1984 | 404,523 | 1983 | 349,284 | 1982 | 311,075 | 1981 | 297,835 | 1980 | 316,677 | 1979 | 367,413 | 1978 | 430,323 | 1977 | 483,047 | 1976 | 515,695 | 1975 | 526,712 | 1974 | 511,743 | 1973 | 473,927 | 1972 | 425,376 | 1971 | 385,485 | 1970 | 366,782 | 1969 | 367,460 | 1968 | 385,437 | 1967 | 413,267 | 1966 | 433,389 | 1965 | 435,372 | 1964 | 420,606 | 1963 | 393,240 | 1962 | 357,192 | 1961 | 319,287 | 1960 | 286,113 |
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