| Year | Value | | 2022 | 9,125,388 | | 2021 | 8,845,950 | | 2020 | 8,593,495 | | 2019 | 8,336,730 | | 2018 | 8,081,987 | | 2017 | 7,836,445 | | 2016 | 7,587,713 | | 2015 | 7,334,249 | | 2014 | 7,065,543 | | 2013 | 6,795,318 | | 2012 | 6,558,384 | | 2011 | 6,354,424 | | 2010 | 6,177,659 | | 2009 | 6,031,212 | | 2008 | 5,891,972 | | 2007 | 5,740,157 | | 2006 | 5,587,069 | | 2005 | 5,431,004 | | 2004 | 5,281,630 | | 2003 | 5,148,118 | | 2002 | 5,022,171 | | 2001 | 4,904,720 | | 2000 | 4,800,472 | | 1999 | 4,699,731 | | 1998 | 4,598,263 | | 1997 | 4,499,694 | | 1996 | 4,399,820 | | 1995 | 4,301,643 | | 1994 | 4,209,384 | | 1993 | 4,118,975 | | 1992 | 4,021,865 | | 1991 | 3,927,736 | | 1990 | 3,847,859 | | 1989 | 3,765,908 | | 1988 | 3,684,436 | | 1987 | 3,608,899 | | 1986 | 3,531,709 | | 1985 | 3,456,135 | | 1984 | 3,379,691 | | 1983 | 3,306,579 | | 1982 | 3,236,998 | | 1981 | 3,171,700 | | 1980 | 3,108,348 | | 1979 | 3,033,504 | | 1978 | 2,953,454 | | 1977 | 2,877,216 | | 1976 | 2,805,776 | | 1975 | 2,736,888 | | 1974 | 2,669,888 | | 1973 | 2,605,408 | | 1972 | 2,543,969 | | 1971 | 2,484,420 | | 1970 | 2,426,112 | | 1969 | 2,369,993 | | 1968 | 2,315,846 | | 1967 | 2,264,781 | | 1966 | 2,217,352 | | 1965 | 2,172,530 | | 1964 | 2,130,067 | | 1963 | 2,090,705 | | 1962 | 2,054,046 | | 1961 | 2,017,619 | | 1960 | 1,980,344 |
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