| Year | Value | | 2022 | 1,251,488 | | 2021 | 1,244,188 | | 2020 | 1,237,537 | | 2019 | 1,228,836 | | 2018 | 1,218,831 | | 2017 | 1,208,523 | | 2016 | 1,197,881 | | 2015 | 1,187,280 | | 2014 | 1,176,995 | | 2013 | 1,166,968 | | 2012 | 1,156,556 | | 2011 | 1,145,086 | | 2010 | 1,129,686 | | 2009 | 1,110,974 | | 2008 | 1,092,390 | | 2007 | 1,073,873 | | 2006 | 1,055,438 | | 2005 | 1,037,062 | | 2004 | 1,018,684 | | 2003 | 1,000,350 | | 2002 | 982,194 | | 2001 | 964,830 | | 2000 | 948,237 | | 1999 | 931,600 | | 1998 | 914,660 | | 1997 | 897,471 | | 1996 | 880,058 | | 1995 | 862,418 | | 1994 | 844,444 | | 1993 | 825,986 | | 1992 | 810,431 | | 1991 | 799,061 | | 1990 | 788,500 | | 1989 | 777,592 | | 1988 | 766,412 | | 1987 | 755,021 | | 1986 | 743,446 | | 1985 | 731,664 | | 1984 | 719,678 | | 1983 | 707,477 | | 1982 | 696,227 | | 1981 | 687,170 | | 1980 | 679,327 | | 1979 | 671,611 | | 1978 | 663,975 | | 1977 | 656,414 | | 1976 | 648,868 | | 1975 | 644,982 | | 1974 | 648,585 | | 1973 | 650,705 | | 1972 | 647,620 | | 1971 | 644,413 | | 1970 | 640,804 | | 1969 | 636,821 | | 1968 | 632,452 | | 1967 | 627,695 | | 1966 | 622,566 | | 1965 | 617,345 | | 1964 | 612,338 | | 1963 | 607,072 | | 1962 | 601,095 | | 1961 | 594,771 | | 1960 | 585,725 |
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