Year | Value | 2022 | 634,383 | 2021 | 630,793 | 2020 | 626,904 | 2019 | 618,811 | 2018 | 608,266 | 2017 | 597,708 | 2016 | 586,822 | 2015 | 576,739 | 2014 | 567,475 | 2013 | 559,093 | 2012 | 553,055 | 2011 | 547,218 | 2010 | 541,348 | 2009 | 537,953 | 2008 | 538,425 | 2007 | 545,094 | 2006 | 559,490 | 2005 | 560,652 | 2004 | 545,545 | 2003 | 527,004 | 2002 | 496,761 | 2001 | 455,187 | 2000 | 428,239 | 1999 | 416,705 | 1998 | 403,564 | 1997 | 393,777 | 1996 | 387,484 | 1995 | 381,192 | 1994 | 374,333 | 1993 | 368,551 | 1992 | 365,897 | 1991 | 365,978 | 1990 | 366,790 | 1989 | 367,813 | 1988 | 368,651 | 1987 | 367,793 | 1986 | 365,420 | 1985 | 363,431 | 1984 | 363,043 | 1983 | 365,305 | 1982 | 368,097 | 1981 | 370,865 | 1980 | 373,536 | 1979 | 369,552 | 1978 | 357,732 | 1977 | 346,708 | 1976 | 337,422 | 1975 | 325,845 | 1974 | 320,789 | 1973 | 324,685 | 1972 | 328,013 | 1971 | 327,900 | 1970 | 326,483 | 1969 | 324,916 | 1968 | 322,225 | 1967 | 319,459 | 1966 | 317,478 | 1965 | 315,676 | 1964 | 312,041 | 1963 | 307,212 | 1962 | 302,290 | 1961 | 297,312 | 1960 | 291,544 |
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