Year | Value | 2022 | 592,390 | 2021 | 587,037 | 2020 | 580,862 | 2019 | 574,847 | 2018 | 569,688 | 2017 | 565,524 | 2016 | 561,912 | 2015 | 558,423 | 2014 | 554,469 | 2013 | 548,996 | 2012 | 541,678 | 2011 | 532,993 | 2010 | 523,534 | 2009 | 513,169 | 2008 | 503,639 | 2007 | 496,336 | 2006 | 490,820 | 2005 | 485,008 | 2004 | 476,648 | 2003 | 464,022 | 2002 | 447,132 | 2001 | 423,084 | 2000 | 399,492 | 1999 | 389,590 | 1998 | 386,908 | 1997 | 382,689 | 1996 | 377,110 | 1995 | 374,450 | 1994 | 372,968 | 1993 | 370,551 | 1992 | 370,659 | 1991 | 377,262 | 1990 | 372,829 | 1989 | 358,580 | 1988 | 349,524 | 1987 | 339,593 | 1986 | 329,788 | 1985 | 321,023 | 1984 | 313,267 | 1983 | 305,960 | 1982 | 299,162 | 1981 | 292,839 | 1980 | 286,855 | 1979 | 281,077 | 1978 | 275,260 | 1977 | 269,438 | 1976 | 264,001 | 1975 | 258,723 | 1974 | 253,382 | 1973 | 248,265 | 1972 | 243,443 | 1971 | 238,743 | 1970 | 234,013 | 1969 | 229,277 | 1968 | 224,537 | 1967 | 219,589 | 1966 | 214,582 | 1965 | 209,598 | 1964 | 204,464 | 1963 | 199,342 | 1962 | 194,432 | 1961 | 189,710 | 1960 | 185,169 |
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