| Year | Value | | 2022 | 10,029,999 | | 2021 | 9,989,939 | | 2020 | 9,727,935 | | 2019 | 9,459,556 | | 2018 | 9,225,415 | | 2017 | 8,963,765 | | 2016 | 8,706,596 | | 2015 | 8,514,310 | | 2014 | 8,345,889 | | 2013 | 8,112,925 | | 2012 | 7,840,912 | | 2011 | 7,541,056 | | 2010 | 7,023,307 | | 2009 | 6,296,087 | | 2008 | 5,600,614 | | 2007 | 5,100,080 | | 2006 | 4,921,686 | | 2005 | 5,172,257 | | 2004 | 5,772,838 | | 2003 | 6,548,345 | | 2002 | 7,309,857 | | 2001 | 7,745,757 | | 2000 | 7,820,478 | | 1999 | 7,622,646 | | 1998 | 7,206,911 | | 1997 | 6,783,562 | | 1996 | 6,536,014 | | 1995 | 6,545,829 | | 1994 | 6,805,681 | | 1993 | 7,209,340 | | 1992 | 7,521,689 | | 1991 | 7,615,939 | | 1990 | 7,463,688 | | 1989 | 7,095,825 | | 1988 | 6,563,122 | | 1987 | 5,916,232 | | 1986 | 5,279,932 | | 1985 | 4,747,821 | | 1984 | 4,321,888 | | 1983 | 4,017,839 | | 1982 | 3,786,397 | | 1981 | 3,589,327 | | 1980 | 3,519,494 | | 1979 | 3,612,254 | | 1978 | 3,744,556 | | 1977 | 3,953,601 | | 1976 | 4,248,976 | | 1975 | 4,459,582 | | 1974 | 4,523,711 | | 1973 | 4,480,265 | | 1972 | 4,399,141 | | 1971 | 4,301,717 | | 1970 | 4,211,281 | | 1969 | 4,109,024 | | 1968 | 3,997,992 | | 1967 | 3,869,085 | | 1966 | 3,691,407 | | 1965 | 3,530,139 | | 1964 | 3,377,289 | | 1963 | 3,213,565 | | 1962 | 3,072,471 | | 1961 | 2,996,050 | | 1960 | 2,929,048 |
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