| Year | Value | | 2022 | 11,335,329 | | 2021 | 11,096,904 | | 2020 | 10,854,688 | | 2019 | 10,612,900 | | 2018 | 10,374,959 | | 2017 | 10,135,893 | | 2016 | 9,895,965 | | 2015 | 9,663,190 | | 2014 | 9,439,566 | | 2013 | 9,220,004 | | 2012 | 9,003,656 | | 2011 | 8,785,411 | | 2010 | 8,563,300 | | 2009 | 8,343,332 | | 2008 | 8,126,393 | | 2007 | 7,911,753 | | 2006 | 7,701,849 | | 2005 | 7,499,771 | | 2004 | 7,305,326 | | 2003 | 7,119,659 | | 2002 | 6,967,684 | | 2001 | 6,922,173 | | 2000 | 6,899,492 | | 1999 | 6,883,119 | | 1998 | 6,866,429 | | 1997 | 6,710,997 | | 1996 | 5,951,688 | | 1995 | 5,127,477 | | 1994 | 6,161,062 | | 1993 | 7,326,666 | | 1992 | 7,175,723 | | 1991 | 7,074,642 | | 1990 | 6,923,513 | | 1989 | 6,760,450 | | 1988 | 6,587,501 | | 1987 | 6,385,701 | | 1986 | 6,164,662 | | 1985 | 5,949,842 | | 1984 | 5,754,619 | | 1983 | 5,571,114 | | 1982 | 5,378,565 | | 1981 | 5,181,514 | | 1980 | 4,999,796 | | 1979 | 4,838,111 | | 1978 | 4,696,774 | | 1977 | 4,574,033 | | 1976 | 4,453,819 | | 1975 | 4,335,216 | | 1974 | 4,218,766 | | 1973 | 4,103,928 | | 1972 | 3,991,206 | | 1971 | 3,881,449 | | 1970 | 3,771,917 | | 1969 | 3,659,669 | | 1968 | 3,549,733 | | 1967 | 3,442,871 | | 1966 | 3,342,698 | | 1965 | 3,252,123 | | 1964 | 3,171,475 | | 1963 | 3,103,039 | | 1962 | 3,037,514 | | 1961 | 2,965,796 | | 1960 | 2,889,042 |
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