| Year | Value | | 2022 | 9,294,147 | | 2021 | 9,097,092 | | 2020 | 8,884,103 | | 2019 | 8,659,025 | | 2018 | 8,444,839 | | 2017 | 8,265,220 | | 2016 | 8,121,327 | | 2015 | 8,006,216 | | 2014 | 7,915,654 | | 2013 | 7,850,850 | | 2012 | 7,798,134 | | 2011 | 7,733,803 | | 2010 | 7,659,485 | | 2009 | 7,581,518 | | 2008 | 7,487,737 | | 2007 | 7,378,474 | | 2006 | 7,263,574 | | 2005 | 7,140,152 | | 2004 | 7,013,240 | | 2003 | 6,887,122 | | 2002 | 6,755,389 | | 2001 | 6,619,432 | | 2000 | 6,480,867 | | 1999 | 6,337,255 | | 1998 | 6,189,836 | | 1997 | 6,034,580 | | 1996 | 5,881,756 | | 1995 | 5,737,150 | | 1994 | 5,580,293 | | 1993 | 5,415,377 | | 1992 | 5,256,876 | | 1991 | 5,041,355 | | 1990 | 4,796,704 | | 1989 | 4,578,135 | | 1988 | 4,338,222 | | 1987 | 4,094,525 | | 1986 | 3,918,400 | | 1985 | 3,806,868 | | 1984 | 3,725,920 | | 1983 | 3,676,768 | | 1982 | 3,599,136 | | 1981 | 3,456,629 | | 1980 | 3,360,286 | | 1979 | 3,325,013 | | 1978 | 3,259,482 | | 1977 | 3,191,564 | | 1976 | 3,121,053 | | 1975 | 3,045,913 | | 1974 | 2,986,562 | | 1973 | 2,918,011 | | 1972 | 2,839,201 | | 1971 | 2,753,005 | | 1970 | 2,660,151 | | 1969 | 2,568,855 | | 1968 | 2,481,573 | | 1967 | 2,397,761 | | 1966 | 2,324,361 | | 1965 | 2,253,644 | | 1964 | 2,177,546 | | 1963 | 2,100,662 | | 1962 | 2,018,503 | | 1961 | 1,937,273 | | 1960 | 1,866,013 |
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