| Year | Value | | 2022 | 4,979,107 | | 2021 | 5,014,609 | | 2020 | 5,052,036 | | 2019 | 5,069,468 | | 2018 | 5,077,117 | | 2017 | 5,086,699 | | 2016 | 5,091,613 | | 2015 | 5,087,057 | | 2014 | 5,080,019 | | 2013 | 5,076,616 | | 2012 | 5,077,517 | | 2011 | 5,082,430 | | 2010 | 5,090,285 | | 2009 | 5,098,294 | | 2008 | 5,108,481 | | 2007 | 5,124,332 | | 2006 | 5,145,919 | | 2005 | 5,174,635 | | 2004 | 5,207,144 | | 2003 | 5,240,024 | | 2002 | 5,273,950 | | 2001 | 5,305,393 | | 2000 | 5,330,773 | | 1999 | 5,353,387 | | 1998 | 5,374,327 | | 1997 | 5,394,834 | | 1996 | 5,413,250 | | 1995 | 5,427,298 | | 1994 | 5,440,986 | | 1993 | 5,445,711 | | 1992 | 5,434,778 | | 1991 | 5,424,733 | | 1990 | 5,424,768 | | 1989 | 5,418,746 | | 1988 | 5,407,408 | | 1987 | 5,396,445 | | 1986 | 5,365,430 | | 1985 | 5,333,058 | | 1984 | 5,299,822 | | 1983 | 5,265,001 | | 1982 | 5,229,975 | | 1981 | 5,195,211 | | 1980 | 5,160,255 | | 1979 | 5,129,091 | | 1978 | 5,098,062 | | 1977 | 5,066,273 | | 1976 | 5,040,453 | | 1975 | 5,019,628 | | 1974 | 4,996,709 | | 1973 | 4,969,249 | | 1972 | 4,938,435 | | 1971 | 4,905,962 | | 1970 | 4,873,256 | | 1969 | 4,838,915 | | 1968 | 4,802,593 | | 1967 | 4,765,421 | | 1966 | 4,728,461 | | 1965 | 4,693,349 | | 1964 | 4,658,845 | | 1963 | 4,624,422 | | 1962 | 4,591,191 | | 1961 | 4,560,131 | | 1960 | 4,532,615 |
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