| Year | Value | | 2022 | 9,016,398 | | 2021 | 8,910,903 | | 2020 | 8,798,448 | | 2019 | 8,670,974 | | 2018 | 8,506,021 | | 2017 | 8,346,245 | | 2016 | 8,217,460 | | 2015 | 8,095,675 | | 2014 | 7,976,779 | | 2013 | 7,859,194 | | 2012 | 7,739,326 | | 2011 | 7,615,672 | | 2010 | 7,490,733 | | 2009 | 7,366,263 | | 2008 | 7,242,204 | | 2007 | 7,118,765 | | 2006 | 6,996,611 | | 2005 | 6,876,511 | | 2004 | 6,758,388 | | 2003 | 6,641,367 | | 2002 | 6,525,796 | | 2001 | 6,412,962 | | 2000 | 6,303,121 | | 1999 | 6,195,516 | | 1998 | 6,088,961 | | 1997 | 5,982,667 | | 1996 | 5,875,980 | | 1995 | 5,768,799 | | 1994 | 5,661,350 | | 1993 | 5,553,499 | | 1992 | 5,443,760 | | 1991 | 5,329,377 | | 1990 | 5,210,778 | | 1989 | 5,090,613 | | 1988 | 4,970,143 | | 1987 | 4,849,782 | | 1986 | 4,730,153 | | 1985 | 4,612,439 | | 1984 | 4,497,063 | | 1983 | 4,383,868 | | 1982 | 4,272,641 | | 1981 | 4,163,096 | | 1980 | 4,055,231 | | 1979 | 3,949,122 | | 1978 | 3,844,858 | | 1977 | 3,742,513 | | 1976 | 3,642,102 | | 1975 | 3,543,625 | | 1974 | 3,447,134 | | 1973 | 3,352,673 | | 1972 | 3,260,195 | | 1971 | 3,169,807 | | 1970 | 3,081,410 | | 1969 | 2,994,802 | | 1968 | 2,910,106 | | 1967 | 2,827,478 | | 1966 | 2,747,092 | | 1965 | 2,668,819 | | 1964 | 2,592,694 | | 1963 | 2,519,095 | | 1962 | 2,447,988 | | 1961 | 2,379,345 | | 1960 | 2,313,445 |
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