| Year | Value | | 2022 | 10,810,643 | | 2021 | 10,440,312 | | 2020 | 10,074,729 | | 2019 | 9,707,570 | | 2018 | 9,347,623 | | 2017 | 9,008,524 | | 2016 | 8,709,162 | | 2015 | 8,449,518 | | 2014 | 8,207,773 | | 2013 | 7,975,757 | | 2012 | 7,750,568 | | 2011 | 7,521,111 | | 2010 | 7,290,349 | | 2009 | 7,046,101 | | 2008 | 6,799,676 | | 2007 | 6,601,087 | | 2006 | 6,444,354 | | 2005 | 6,297,341 | | 2004 | 6,170,037 | | 2003 | 6,049,127 | | 2002 | 5,894,018 | | 2001 | 5,720,845 | | 2000 | 5,558,077 | | 1999 | 5,404,735 | | 1998 | 5,262,403 | | 1997 | 5,137,575 | | 1996 | 5,021,320 | | 1995 | 4,906,044 | | 1994 | 4,789,801 | | 1993 | 4,678,398 | | 1992 | 4,569,725 | | 1991 | 4,471,959 | | 1990 | 4,396,450 | | 1989 | 4,320,007 | | 1988 | 4,244,701 | | 1987 | 4,175,320 | | 1986 | 4,099,450 | | 1985 | 4,022,773 | | 1984 | 3,944,530 | | 1983 | 3,869,127 | | 1982 | 3,799,046 | | 1981 | 3,739,377 | | 1980 | 3,684,205 | | 1979 | 3,614,282 | | 1978 | 3,533,627 | | 1977 | 3,452,512 | | 1976 | 3,374,837 | | 1975 | 3,294,630 | | 1974 | 3,211,065 | | 1973 | 3,129,543 | | 1972 | 3,052,215 | | 1971 | 2,978,730 | | 1970 | 2,908,728 | | 1969 | 2,842,431 | | 1968 | 2,779,498 | | 1967 | 2,720,097 | | 1966 | 2,662,704 | | 1965 | 2,604,551 | | 1964 | 2,545,936 | | 1963 | 2,487,748 | | 1962 | 2,430,619 | | 1961 | 2,375,819 | | 1960 | 2,324,984 |
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