| Year | Value | | 2022 | 8,940,163 | | 2021 | 8,695,599 | | 2020 | 8,471,190 | | 2019 | 8,211,380 | | 2018 | 7,907,556 | | 2017 | 7,591,217 | | 2016 | 7,279,883 | | 2015 | 6,978,662 | | 2014 | 6,694,485 | | 2013 | 6,441,633 | | 2012 | 6,223,622 | | 2011 | 6,031,628 | | 2010 | 5,861,522 | | 2009 | 5,707,693 | | 2008 | 5,551,321 | | 2007 | 5,396,721 | | 2006 | 5,243,497 | | 2005 | 5,088,004 | | 2004 | 4,930,506 | | 2003 | 4,779,340 | | 2002 | 4,639,466 | | 2001 | 4,509,048 | | 2000 | 4,389,907 | | 1999 | 4,281,190 | | 1998 | 4,176,409 | | 1997 | 4,072,495 | | 1996 | 3,968,295 | | 1995 | 3,864,814 | | 1994 | 3,759,729 | | 1993 | 3,651,962 | | 1992 | 3,544,005 | | 1991 | 3,434,756 | | 1990 | 3,324,163 | | 1989 | 3,214,806 | | 1988 | 3,107,711 | | 1987 | 3,005,140 | | 1986 | 2,912,451 | | 1985 | 2,832,747 | | 1984 | 2,764,515 | | 1983 | 2,705,887 | | 1982 | 2,654,641 | | 1981 | 2,605,402 | | 1980 | 2,553,158 | | 1979 | 2,496,082 | | 1978 | 2,433,814 | | 1977 | 2,367,212 | | 1976 | 2,299,122 | | 1975 | 2,231,129 | | 1974 | 2,163,867 | | 1973 | 2,098,798 | | 1972 | 2,036,289 | | 1971 | 1,974,737 | | 1970 | 1,916,662 | | 1969 | 1,860,528 | | 1968 | 1,801,411 | | 1967 | 1,740,614 | | 1966 | 1,678,790 | | 1965 | 1,615,766 | | 1964 | 1,552,554 | | 1963 | 1,490,291 | | 1962 | 1,430,453 | | 1961 | 1,375,657 | | 1960 | 1,328,982 |
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