Year | Value | 2022 | 440,632 | 2021 | 443,105 | 2020 | 445,612 | 2019 | 448,104 | 2018 | 450,437 | 2017 | 452,410 | 2016 | 454,145 | 2015 | 455,790 | 2014 | 457,145 | 2013 | 458,114 | 2012 | 458,857 | 2011 | 459,492 | 2010 | 460,046 | 2009 | 460,398 | 2008 | 460,496 | 2007 | 460,301 | 2006 | 459,756 | 2005 | 457,925 | 2004 | 456,066 | 2003 | 452,565 | 2002 | 448,376 | 2001 | 443,498 | 2000 | 437,951 | 1999 | 431,766 | 1998 | 426,900 | 1997 | 424,362 | 1996 | 422,169 | 1995 | 419,196 | 1994 | 418,838 | 1993 | 422,967 | 1992 | 447,882 | 1991 | 470,285 | 1990 | 466,925 | 1989 | 459,068 | 1988 | 450,069 | 1987 | 440,829 | 1986 | 431,381 | 1985 | 421,825 | 1984 | 412,184 | 1983 | 402,472 | 1982 | 392,745 | 1981 | 383,008 | 1980 | 373,183 | 1979 | 363,308 | 1978 | 353,402 | 1977 | 343,577 | 1976 | 333,941 | 1975 | 324,524 | 1974 | 315,333 | 1973 | 306,351 | 1972 | 297,574 | 1971 | 289,031 | 1970 | 280,694 | 1969 | 272,572 | 1968 | 264,733 | 1967 | 257,210 | 1966 | 249,985 | 1965 | 243,058 | 1964 | 236,443 | 1963 | 230,136 | 1962 | 224,083 | 1961 | 218,460 | 1960 | 213,309 |
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