Year | Value | 2022 | 360,580 | 2021 | 363,470 | 2020 | 363,908 | 2019 | 362,503 | 2018 | 362,236 | 2017 | 365,995 | 2016 | 375,471 | 2015 | 390,392 | 2014 | 408,546 | 2013 | 425,206 | 2012 | 434,864 | 2011 | 436,312 | 2010 | 432,836 | 2009 | 425,180 | 2008 | 414,630 | 2007 | 404,628 | 2006 | 392,202 | 2005 | 376,394 | 2004 | 361,925 | 2003 | 352,374 | 2002 | 351,082 | 2001 | 361,379 | 2000 | 381,806 | 1999 | 409,280 | 1998 | 442,845 | 1997 | 479,968 | 1996 | 516,022 | 1995 | 547,063 | 1994 | 571,211 | 1993 | 586,958 | 1992 | 595,446 | 1991 | 600,441 | 1990 | 604,102 | 1989 | 606,405 | 1988 | 605,391 | 1987 | 598,243 | 1986 | 582,490 | 1985 | 557,592 | 1984 | 525,484 | 1983 | 489,760 | 1982 | 454,855 | 1981 | 424,976 | 1980 | 405,525 | 1979 | 396,641 | 1978 | 393,345 | 1977 | 392,614 | 1976 | 391,874 | 1975 | 390,138 | 1974 | 386,828 | 1973 | 381,161 | 1972 | 373,833 | 1971 | 366,295 | 1970 | 358,868 | 1969 | 352,288 | 1968 | 348,063 | 1967 | 345,545 | 1966 | 343,202 | 1965 | 340,650 | 1964 | 337,981 | 1963 | 335,311 | 1962 | 332,342 | 1961 | 328,386 | 1960 | 322,964 |
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