Year | Value | 2022 | 431,679 | 2021 | 442,790 | 2020 | 467,060 | 2019 | 477,337 | 2018 | 479,854 | 2017 | 473,775 | 2016 | 459,756 | 2015 | 440,614 | 2014 | 417,705 | 2013 | 394,242 | 2012 | 376,285 | 2011 | 365,126 | 2010 | 359,405 | 2009 | 359,394 | 2008 | 361,836 | 2007 | 359,844 | 2006 | 353,705 | 2005 | 345,569 | 2004 | 334,562 | 2003 | 325,486 | 2002 | 326,922 | 2001 | 337,786 | 2000 | 352,246 | 1999 | 367,964 | 1998 | 382,090 | 1997 | 392,229 | 1996 | 399,385 | 1995 | 405,112 | 1994 | 408,615 | 1993 | 411,731 | 1992 | 416,854 | 1991 | 420,938 | 1990 | 417,860 | 1989 | 409,972 | 1988 | 400,247 | 1987 | 382,982 | 1986 | 360,350 | 1985 | 343,828 | 1984 | 329,192 | 1983 | 310,189 | 1982 | 293,540 | 1981 | 280,934 | 1980 | 271,211 | 1979 | 266,804 | 1978 | 268,062 | 1977 | 273,774 | 1976 | 283,025 | 1975 | 293,451 | 1974 | 302,703 | 1973 | 309,684 | 1972 | 313,583 | 1971 | 315,425 | 1970 | 318,837 | 1969 | 323,251 | 1968 | 328,516 | 1967 | 335,507 | 1966 | 341,450 | 1965 | 342,640 | 1964 | 333,643 | 1963 | 306,307 | 1962 | 267,978 | 1961 | 232,102 | 1960 | 208,458 |
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