Year | Value | 2022 | 478,882 | 2021 | 419,922 | 2020 | 372,826 | 2019 | 345,930 | 2018 | 351,792 | 2017 | 383,193 | 2016 | 418,514 | 2015 | 446,480 | 2014 | 467,158 | 2013 | 476,555 | 2012 | 475,529 | 2011 | 469,406 | 2010 | 461,515 | 2009 | 452,788 | 2008 | 443,191 | 2007 | 431,808 | 2006 | 419,451 | 2005 | 406,053 | 2004 | 391,776 | 2003 | 377,110 | 2002 | 361,590 | 2001 | 343,991 | 2000 | 324,102 | 1999 | 302,328 | 1998 | 274,837 | 1997 | 247,603 | 1996 | 226,332 | 1995 | 207,518 | 1994 | 191,284 | 1993 | 172,819 | 1992 | 150,445 | 1991 | 133,262 | 1990 | 122,900 | 1989 | 114,267 | 1988 | 109,271 | 1987 | 106,510 | 1986 | 103,422 | 1985 | 101,603 | 1984 | 101,366 | 1983 | 100,691 | 1982 | 99,517 | 1981 | 98,312 | 1980 | 99,589 | 1979 | 100,554 | 1978 | 101,651 | 1977 | 105,834 | 1976 | 114,022 | 1975 | 128,678 | 1974 | 137,856 | 1973 | 139,368 | 1972 | 140,678 | 1971 | 142,523 | 1970 | 146,641 | 1969 | 148,364 | 1968 | 146,015 | 1967 | 143,600 | 1966 | 141,072 | 1965 | 138,409 | 1964 | 135,630 | 1963 | 132,831 | 1962 | 130,063 | 1961 | 127,363 | 1960 | 124,737 |
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