Year | Value | 2022 | 393,309 | 2021 | 386,262 | 2020 | 379,284 | 2019 | 372,861 | 2018 | 367,934 | 2017 | 365,377 | 2016 | 365,237 | 2015 | 366,210 | 2014 | 367,335 | 2013 | 367,645 | 2012 | 365,803 | 2011 | 361,670 | 2010 | 354,065 | 2009 | 348,868 | 2008 | 347,200 | 2007 | 349,078 | 2006 | 354,139 | 2005 | 361,436 | 2004 | 368,515 | 2003 | 373,336 | 2002 | 376,387 | 2001 | 379,203 | 2000 | 383,666 | 1999 | 391,059 | 1998 | 399,661 | 1997 | 406,385 | 1996 | 410,651 | 1995 | 412,428 | 1994 | 411,530 | 1993 | 409,324 | 1992 | 406,904 | 1991 | 403,557 | 1990 | 399,448 | 1989 | 394,762 | 1988 | 388,857 | 1987 | 383,449 | 1986 | 378,609 | 1985 | 374,134 | 1984 | 370,972 | 1983 | 369,341 | 1982 | 368,966 | 1981 | 370,519 | 1980 | 367,573 | 1979 | 358,035 | 1978 | 346,554 | 1977 | 329,831 | 1976 | 307,033 | 1975 | 289,796 | 1974 | 283,156 | 1973 | 281,414 | 1972 | 284,864 | 1971 | 292,556 | 1970 | 299,836 | 1969 | 303,094 | 1968 | 303,786 | 1967 | 306,450 | 1966 | 312,561 | 1965 | 319,966 | 1964 | 324,838 | 1963 | 327,037 | 1962 | 327,853 | 1961 | 328,155 | 1960 | 329,073 |
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