| Year | Value | | 2022 | 11,498,234 | | 2021 | 11,481,595 | | 2020 | 11,354,528 | | 2019 | 11,288,193 | | 2018 | 11,212,976 | | 2017 | 11,121,609 | | 2016 | 11,071,811 | | 2015 | 11,017,785 | | 2014 | 10,958,989 | | 2013 | 10,893,806 | | 2012 | 10,824,621 | | 2011 | 10,728,540 | | 2010 | 10,608,780 | | 2009 | 10,489,088 | | 2008 | 10,363,512 | | 2007 | 10,234,445 | | 2006 | 10,106,367 | | 2005 | 9,985,722 | | 2004 | 9,872,701 | | 2003 | 9,756,948 | | 2002 | 9,637,824 | | 2001 | 9,519,579 | | 2000 | 9,430,039 | | 1999 | 9,365,155 | | 1998 | 9,297,772 | | 1997 | 9,228,458 | | 1996 | 9,152,012 | | 1995 | 9,066,651 | | 1994 | 8,971,824 | | 1993 | 8,868,306 | | 1992 | 8,757,191 | | 1991 | 8,641,456 | | 1990 | 8,523,172 | | 1989 | 8,403,643 | | 1988 | 8,282,826 | | 1987 | 8,159,378 | | 1986 | 8,035,999 | | 1985 | 7,915,402 | | 1984 | 7,798,252 | | 1983 | 7,684,473 | | 1982 | 7,568,465 | | 1981 | 7,442,718 | | 1980 | 7,309,389 | | 1979 | 7,172,162 | | 1978 | 7,034,432 | | 1977 | 6,901,838 | | 1976 | 6,772,347 | | 1975 | 6,643,622 | | 1974 | 6,516,247 | | 1973 | 6,387,061 | | 1972 | 6,254,697 | | 1971 | 6,120,294 | | 1970 | 5,982,653 | | 1969 | 5,842,161 | | 1968 | 5,699,744 | | 1967 | 5,555,752 | | 1966 | 5,414,225 | | 1965 | 5,276,337 | | 1964 | 5,140,315 | | 1963 | 5,006,771 | | 1962 | 4,876,389 | | 1961 | 4,749,088 | | 1960 | 4,624,178 |
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