| Year | Value | | 2022 | 5,794,834 | | 2021 | 5,752,548 | | 2020 | 5,711,154 | | 2019 | 5,675,385 | | 2018 | 5,646,246 | | 2017 | 5,622,514 | | 2016 | 5,600,670 | | 2015 | 5,585,579 | | 2014 | 5,585,365 | | 2013 | 5,587,748 | | 2012 | 5,581,550 | | 2011 | 5,571,802 | | 2010 | 5,552,072 | | 2009 | 5,511,047 | | 2008 | 5,451,238 | | 2007 | 5,386,931 | | 2006 | 5,338,591 | | 2005 | 5,317,730 | | 2004 | 5,294,561 | | 2003 | 5,248,483 | | 2002 | 5,197,002 | | 2001 | 5,138,345 | | 2000 | 5,079,221 | | 1999 | 5,036,005 | | 1998 | 4,996,314 | | 1997 | 4,948,837 | | 1996 | 4,891,564 | | 1995 | 4,830,430 | | 1994 | 4,768,637 | | 1993 | 4,702,655 | | 1992 | 4,632,484 | | 1991 | 4,557,592 | | 1990 | 4,479,140 | | 1989 | 4,405,586 | | 1988 | 4,337,718 | | 1987 | 4,273,380 | | 1986 | 4,218,161 | | 1985 | 4,166,567 | | 1984 | 4,112,558 | | 1983 | 4,055,985 | | 1982 | 3,996,877 | | 1981 | 3,936,519 | | 1980 | 3,869,202 | | 1979 | 3,785,735 | | 1978 | 3,686,336 | | 1977 | 3,582,433 | | 1976 | 3,487,614 | | 1975 | 3,422,513 | | 1974 | 3,391,018 | | 1973 | 3,363,910 | | 1972 | 3,327,063 | | 1971 | 3,284,932 | | 1970 | 3,241,890 | | 1969 | 3,200,344 | | 1968 | 3,157,804 | | 1967 | 3,112,439 | | 1966 | 3,065,373 | | 1965 | 3,014,881 | | 1964 | 2,958,829 | | 1963 | 2,901,577 | | 1962 | 2,848,216 | | 1961 | 2,797,638 | | 1960 | 2,743,589 |
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