| Year | Value | | 2022 | 8,896,002 | | 2021 | 8,623,530 | | 2020 | 8,355,035 | | 2019 | 8,094,822 | | 2018 | 7,831,899 | | 2017 | 7,570,735 | | 2016 | 7,321,597 | | 2015 | 7,093,122 | | 2014 | 6,869,575 | | 2013 | 6,627,120 | | 2012 | 6,393,699 | | 2011 | 6,172,449 | | 2010 | 5,958,154 | | 2009 | 5,755,890 | | 2008 | 5,554,274 | | 2007 | 5,363,575 | | 2006 | 5,182,293 | | 2005 | 4,999,038 | | 2004 | 4,800,259 | | 2003 | 4,588,681 | | 2002 | 4,406,601 | | 2001 | 4,253,942 | | 2000 | 4,111,592 | | 1999 | 3,970,550 | | 1998 | 3,831,691 | | 1997 | 3,700,196 | | 1996 | 3,572,593 | | 1995 | 3,414,569 | | 1994 | 3,264,389 | | 1993 | 3,189,990 | | 1992 | 3,115,664 | | 1991 | 2,984,198 | | 1990 | 2,876,884 | | 1989 | 2,799,444 | | 1988 | 2,705,297 | | 1987 | 2,616,073 | | 1986 | 2,527,102 | | 1985 | 2,452,231 | | 1984 | 2,429,398 | | 1983 | 2,399,832 | | 1982 | 2,282,534 | | 1981 | 2,176,358 | | 1980 | 2,176,466 | | 1979 | 2,174,331 | | 1978 | 2,130,062 | | 1977 | 2,093,092 | | 1976 | 2,055,899 | | 1975 | 2,016,667 | | 1974 | 1,974,838 | | 1973 | 1,931,071 | | 1972 | 1,887,274 | | 1971 | 1,847,059 | | 1970 | 1,810,190 | | 1969 | 1,774,791 | | 1968 | 1,741,280 | | 1967 | 1,709,470 | | 1966 | 1,678,812 | | 1965 | 1,648,169 | | 1964 | 1,616,897 | | 1963 | 1,585,512 | | 1962 | 1,554,607 | | 1961 | 1,524,461 | | 1960 | 1,495,228 |
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