| Year | Value | | 2022 | 5,489,739 | | 2021 | 5,592,631 | | 2020 | 5,662,923 | | 2019 | 5,781,907 | | 2018 | 5,950,839 | | 2017 | 6,109,252 | | 2016 | 6,258,619 | | 2015 | 6,398,940 | | 2014 | 6,274,342 | | 2013 | 5,678,851 | | 2012 | 5,178,337 | | 2011 | 5,045,056 | | 2010 | 4,995,800 | | 2009 | 4,951,135 | | 2008 | 4,887,613 | | 2007 | 4,809,608 | | 2006 | 4,719,864 | | 2005 | 4,643,044 | | 2004 | 4,574,797 | | 2003 | 4,504,807 | | 2002 | 4,446,666 | | 2001 | 4,389,200 | | 2000 | 4,320,642 | | 1999 | 4,250,020 | | 1998 | 4,178,784 | | 1997 | 4,107,551 | | 1996 | 4,034,243 | | 1995 | 3,959,640 | | 1994 | 3,888,144 | | 1993 | 3,818,796 | | 1992 | 3,745,407 | | 1991 | 3,666,734 | | 1990 | 3,593,700 | | 1989 | 3,525,502 | | 1988 | 3,457,148 | | 1987 | 3,390,870 | | 1986 | 3,308,010 | | 1985 | 3,226,750 | | 1984 | 3,163,558 | | 1983 | 3,106,990 | | 1982 | 3,070,133 | | 1981 | 3,027,222 | | 1980 | 2,963,702 | | 1979 | 2,902,164 | | 1978 | 3,183,405 | | 1977 | 3,457,617 | | 1976 | 3,070,419 | | 1975 | 2,691,586 | | 1974 | 2,632,880 | | 1973 | 2,569,841 | | 1972 | 2,505,965 | | 1971 | 2,442,137 | | 1970 | 2,381,791 | | 1969 | 2,323,823 | | 1968 | 2,262,291 | | 1967 | 2,203,202 | | 1966 | 2,145,646 | | 1965 | 2,087,445 | | 1964 | 2,030,440 | | 1963 | 1,971,511 | | 1962 | 1,911,959 | | 1961 | 1,853,295 | | 1960 | 1,798,092 |
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