Year | Value | 2022 | 322,559 | 2021 | 333,074 | 2020 | 343,058 | 2019 | 353,153 | 2018 | 362,088 | 2017 | 373,726 | 2016 | 388,002 | 2015 | 401,629 | 2014 | 413,351 | 2013 | 422,438 | 2012 | 425,967 | 2011 | 424,347 | 2010 | 418,330 | 2009 | 409,736 | 2008 | 402,065 | 2007 | 395,946 | 2006 | 391,295 | 2005 | 389,511 | 2004 | 390,893 | 2003 | 392,722 | 2002 | 392,622 | 2001 | 391,013 | 2000 | 387,135 | 1999 | 380,470 | 1998 | 373,828 | 1997 | 368,397 | 1996 | 362,145 | 1995 | 356,210 | 1994 | 351,660 | 1993 | 347,223 | 1992 | 343,527 | 1991 | 341,639 | 1990 | 339,816 | 1989 | 337,280 | 1988 | 336,415 | 1987 | 334,401 | 1986 | 329,131 | 1985 | 324,789 | 1984 | 320,704 | 1983 | 313,774 | 1982 | 305,965 | 1981 | 298,375 | 1980 | 290,687 | 1979 | 285,523 | 1978 | 284,245 | 1977 | 285,426 | 1976 | 290,273 | 1975 | 290,082 | 1974 | 284,308 | 1973 | 284,285 | 1972 | 289,181 | 1971 | 293,429 | 1970 | 297,803 | 1969 | 302,061 | 1968 | 305,392 | 1967 | 307,020 | 1966 | 309,972 | 1965 | 313,598 | 1964 | 316,625 | 1963 | 317,905 | 1962 | 315,321 | 1961 | 310,677 | 1960 | 307,114 |
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