| Year | Value | | 2022 | 7,705,601 | | 2021 | 7,543,690 | | 2020 | 7,385,220 | | 2019 | 7,231,989 | | 2018 | 7,086,002 | | 2017 | 6,940,631 | | 2016 | 6,796,658 | | 2015 | 6,652,836 | | 2014 | 6,508,226 | | 2013 | 6,363,142 | | 2012 | 6,223,803 | | 2011 | 6,114,111 | | 2010 | 6,034,165 | | 2009 | 5,965,793 | | 2008 | 5,911,975 | | 2007 | 5,872,489 | | 2006 | 5,818,877 | | 2005 | 5,773,926 | | 2004 | 5,755,027 | | 2003 | 5,722,449 | | 2002 | 5,684,128 | | 2001 | 5,653,006 | | 2000 | 5,621,605 | | 1999 | 5,570,832 | | 1998 | 5,492,694 | | 1997 | 5,404,409 | | 1996 | 5,316,578 | | 1995 | 5,228,886 | | 1994 | 5,170,029 | | 1993 | 5,153,386 | | 1992 | 5,102,026 | | 1991 | 4,989,641 | | 1990 | 4,866,042 | | 1989 | 4,742,741 | | 1988 | 4,625,525 | | 1987 | 4,514,425 | | 1986 | 4,389,238 | | 1985 | 4,251,100 | | 1984 | 4,111,935 | | 1983 | 3,976,948 | | 1982 | 3,828,637 | | 1981 | 3,673,125 | | 1980 | 3,372,896 | | 1979 | 3,119,594 | | 1978 | 3,113,302 | | 1977 | 3,114,923 | | 1976 | 3,055,745 | | 1975 | 2,971,519 | | 1974 | 2,882,840 | | 1973 | 2,793,720 | | 1972 | 2,710,849 | | 1971 | 2,633,818 | | 1970 | 2,561,796 | | 1969 | 2,487,505 | | 1968 | 2,410,390 | | 1967 | 2,336,428 | | 1966 | 2,265,204 | | 1965 | 2,196,331 | | 1964 | 2,129,644 | | 1963 | 2,065,073 | | 1962 | 2,002,581 | | 1961 | 1,942,236 | | 1960 | 1,883,976 |
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