| Year | Value | | 2022 | 10,333,426 | | 2021 | 10,538,040 | | 2020 | 10,752,513 | | 2019 | 10,784,090 | | 2018 | 10,797,430 | | 2017 | 10,786,122 | | 2016 | 10,730,051 | | 2015 | 10,612,104 | | 2014 | 10,465,108 | | 2013 | 10,289,775 | | 2012 | 10,051,430 | | 2011 | 9,941,291 | | 2010 | 9,721,367 | | 2009 | 9,241,472 | | 2008 | 8,884,361 | | 2007 | 8,689,490 | | 2006 | 8,378,730 | | 2005 | 8,025,062 | | 2004 | 7,785,166 | | 2003 | 7,512,897 | | 2002 | 7,188,951 | | 2001 | 6,735,271 | | 2000 | 6,406,275 | | 1999 | 6,249,551 | | 1998 | 6,021,912 | | 1997 | 5,767,303 | | 1996 | 5,657,427 | | 1995 | 5,559,717 | | 1994 | 5,388,048 | | 1993 | 5,319,784 | | 1992 | 5,316,489 | | 1991 | 5,320,243 | | 1990 | 5,417,150 | | 1989 | 5,668,525 | | 1988 | 5,838,110 | | 1987 | 5,899,679 | | 1986 | 5,937,888 | | 1985 | 5,820,445 | | 1984 | 5,564,375 | | 1983 | 5,474,219 | | 1982 | 5,486,056 | | 1981 | 5,389,479 | | 1980 | 5,408,826 | | 1979 | 5,556,574 | | 1978 | 5,461,856 | | 1977 | 5,217,915 | | 1976 | 5,120,881 | | 1975 | 5,010,239 | | 1974 | 4,823,949 | | 1973 | 4,730,337 | | 1972 | 4,767,384 | | 1971 | 4,804,513 | | 1970 | 4,814,930 | | 1969 | 4,811,318 | | 1968 | 4,803,518 | | 1967 | 4,778,994 | | 1966 | 4,686,728 | | 1965 | 4,597,864 | | 1964 | 4,533,311 | | 1963 | 4,400,727 | | 1962 | 4,296,168 | | 1961 | 4,232,279 | | 1960 | 4,122,548 |
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