Year | Value | 2022 | 328,127 | 2021 | 317,201 | 2020 | 308,588 | 2019 | 305,195 | 2018 | 306,896 | 2017 | 313,126 | 2016 | 324,447 | 2015 | 340,175 | 2014 | 358,792 | 2013 | 379,361 | 2012 | 400,488 | 2011 | 420,293 | 2010 | 437,849 | 2009 | 453,058 | 2008 | 460,152 | 2007 | 461,872 | 2006 | 462,256 | 2005 | 456,538 | 2004 | 445,735 | 2003 | 434,316 | 2002 | 423,376 | 2001 | 411,011 | 2000 | 398,620 | 1999 | 387,270 | 1998 | 376,054 | 1997 | 364,655 | 1996 | 354,503 | 1995 | 345,397 | 1994 | 337,005 | 1993 | 331,667 | 1992 | 329,687 | 1991 | 327,433 | 1990 | 328,185 | 1989 | 332,814 | 1988 | 340,523 | 1987 | 348,255 | 1986 | 356,456 | 1985 | 366,497 | 1984 | 375,427 | 1983 | 383,004 | 1982 | 390,454 | 1981 | 396,503 | 1980 | 398,721 | 1979 | 398,887 | 1978 | 394,001 | 1977 | 382,945 | 1976 | 366,437 | 1975 | 347,927 | 1974 | 329,375 | 1973 | 310,517 | 1972 | 292,220 | 1971 | 274,816 | 1970 | 258,914 | 1969 | 244,121 | 1968 | 228,632 | 1967 | 211,425 | 1966 | 189,853 | 1965 | 164,016 | 1964 | 137,937 | 1963 | 118,015 | 1962 | 109,019 | 1961 | 111,121 | 1960 | 123,708 |
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