Year | Value | 2022 | 640,724 | 2021 | 643,060 | 2020 | 644,056 | 2019 | 643,030 | 2018 | 642,747 | 2017 | 643,716 | 2016 | 643,190 | 2015 | 639,518 | 2014 | 632,193 | 2013 | 623,380 | 2012 | 614,509 | 2011 | 605,146 | 2010 | 595,532 | 2009 | 585,977 | 2008 | 577,319 | 2007 | 571,744 | 2006 | 567,834 | 2005 | 564,984 | 2004 | 564,957 | 2003 | 568,794 | 2002 | 577,413 | 2001 | 592,067 | 2000 | 591,962 | 1999 | 575,007 | 1998 | 555,176 | 1997 | 524,408 | 1996 | 482,653 | 1995 | 455,878 | 1994 | 444,420 | 1993 | 430,033 | 1992 | 418,118 | 1991 | 409,233 | 1990 | 400,341 | 1989 | 391,291 | 1988 | 383,604 | 1987 | 378,950 | 1986 | 376,903 | 1985 | 375,936 | 1984 | 375,250 | 1983 | 373,863 | 1982 | 371,030 | 1981 | 366,686 | 1980 | 361,411 | 1979 | 356,928 | 1978 | 356,179 | 1977 | 356,996 | 1976 | 358,295 | 1975 | 360,287 | 1974 | 357,059 | 1973 | 346,541 | 1972 | 336,174 | 1971 | 327,440 | 1970 | 316,930 | 1969 | 312,460 | 1968 | 315,895 | 1967 | 318,835 | 1966 | 318,203 | 1965 | 315,949 | 1964 | 313,691 | 1963 | 310,499 | 1962 | 307,143 | 1961 | 304,732 | 1960 | 303,068 |
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