| Year | Value | | 2022 | 7,723,424 | | 2021 | 7,469,898 | | 2020 | 7,505,995 | | 2019 | 7,652,365 | | 2018 | 7,723,758 | | 2017 | 7,793,762 | | 2016 | 7,847,409 | | 2015 | 7,784,311 | | 2014 | 7,655,676 | | 2013 | 7,513,503 | | 2012 | 7,383,447 | | 2011 | 7,291,668 | | 2010 | 7,262,829 | | 2009 | 7,215,902 | | 2008 | 7,195,669 | | 2007 | 7,188,734 | | 2006 | 7,157,852 | | 2005 | 7,104,040 | | 2004 | 7,041,453 | | 2003 | 6,997,836 | | 2002 | 6,973,761 | | 2001 | 6,961,838 | | 2000 | 6,935,982 | | 1999 | 6,751,635 | | 1998 | 6,326,519 | | 1997 | 5,783,569 | | 1996 | 5,221,971 | | 1995 | 4,748,730 | | 1994 | 4,636,111 | | 1993 | 4,923,754 | | 1992 | 5,348,714 | | 1991 | 5,744,099 | | 1990 | 6,011,620 | | 1989 | 6,088,436 | | 1988 | 6,035,450 | | 1987 | 5,948,765 | | 1986 | 5,864,862 | | 1985 | 5,775,338 | | 1984 | 5,656,496 | | 1983 | 5,531,016 | | 1982 | 5,415,229 | | 1981 | 5,312,481 | | 1980 | 5,214,235 | | 1979 | 5,098,280 | | 1978 | 4,964,215 | | 1977 | 4,822,570 | | 1976 | 4,682,929 | | 1975 | 4,543,989 | | 1974 | 4,414,605 | | 1973 | 4,309,806 | | 1972 | 4,198,444 | | 1971 | 4,076,405 | | 1970 | 3,970,590 | | 1969 | 3,887,144 | | 1968 | 3,806,700 | | 1967 | 3,731,182 | | 1966 | 3,653,294 | | 1965 | 3,571,358 | | 1964 | 3,486,197 | | 1963 | 3,388,236 | | 1962 | 3,292,905 | | 1961 | 3,201,951 | | 1960 | 3,110,085 |
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