| Year | Value | | 2022 | 7,950,395 | | 2021 | 7,730,927 | | 2020 | 7,511,255 | | 2019 | 7,305,065 | | 2018 | 7,116,643 | | 2017 | 6,937,726 | | 2016 | 6,778,889 | | 2015 | 6,649,620 | | 2014 | 6,538,423 | | 2013 | 6,439,512 | | 2012 | 6,346,886 | | 2011 | 6,247,532 | | 2010 | 6,139,843 | | 2009 | 6,024,644 | | 2008 | 5,899,244 | | 2007 | 5,760,545 | | 2006 | 5,609,601 | | 2005 | 5,447,452 | | 2004 | 5,272,733 | | 2003 | 5,084,783 | | 2002 | 4,893,699 | | 2001 | 4,708,570 | | 2000 | 4,527,778 | | 1999 | 4,353,768 | | 1998 | 4,194,722 | | 1997 | 4,050,371 | | 1996 | 3,918,891 | | 1995 | 3,802,871 | | 1994 | 3,698,898 | | 1993 | 3,602,763 | | 1992 | 3,513,834 | | 1991 | 3,429,786 | | 1990 | 3,344,729 | | 1989 | 3,257,606 | | 1988 | 3,173,063 | | 1987 | 3,092,076 | | 1986 | 3,015,860 | | 1985 | 2,943,337 | | 1984 | 2,871,061 | | 1983 | 2,809,469 | | 1982 | 2,747,127 | | 1981 | 2,673,447 | | 1980 | 2,596,643 | | 1979 | 2,504,511 | | 1978 | 2,414,556 | | 1977 | 2,347,252 | | 1976 | 2,295,747 | | 1975 | 2,254,018 | | 1974 | 2,233,401 | | 1973 | 2,221,445 | | 1972 | 2,192,075 | | 1971 | 2,152,860 | | 1970 | 2,108,826 | | 1969 | 2,063,303 | | 1968 | 2,020,622 | | 1967 | 1,980,372 | | 1966 | 1,941,076 | | 1965 | 1,900,377 | | 1964 | 1,858,462 | | 1963 | 1,816,400 | | 1962 | 1,774,398 | | 1961 | 1,734,183 | | 1960 | 1,697,053 |
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