| Year | Value | | 2022 | 5,562,694 | | 2021 | 5,589,258 | | 2020 | 5,616,818 | | 2019 | 5,628,282 | | 2018 | 5,637,159 | | 2017 | 5,644,544 | | 2016 | 5,650,455 | | 2015 | 5,652,022 | | 2014 | 5,650,315 | | 2013 | 5,647,146 | | 2012 | 5,643,060 | | 2011 | 5,639,643 | | 2010 | 5,637,179 | | 2009 | 5,635,364 | | 2008 | 5,633,996 | | 2007 | 5,632,650 | | 2006 | 5,630,144 | | 2005 | 5,625,118 | | 2004 | 5,616,987 | | 2003 | 5,606,222 | | 2002 | 5,595,307 | | 2001 | 5,585,454 | | 2000 | 5,574,842 | | 1999 | 5,562,926 | | 1998 | 5,550,561 | | 1997 | 5,538,332 | | 1996 | 5,526,101 | | 1995 | 5,513,090 | | 1994 | 5,498,467 | | 1993 | 5,478,723 | | 1992 | 5,451,717 | | 1991 | 5,418,165 | | 1990 | 5,375,743 | | 1989 | 5,326,939 | | 1988 | 5,277,005 | | 1987 | 5,228,899 | | 1986 | 5,184,718 | | 1985 | 5,143,371 | | 1984 | 5,103,740 | | 1983 | 5,065,597 | | 1982 | 5,030,293 | | 1981 | 5,003,025 | | 1980 | 4,984,745 | | 1979 | 4,967,316 | | 1978 | 4,944,611 | | 1977 | 4,915,356 | | 1976 | 4,878,787 | | 1975 | 4,834,635 | | 1974 | 4,783,058 | | 1973 | 4,724,372 | | 1972 | 4,658,870 | | 1971 | 4,585,837 | | 1970 | 4,507,737 | | 1969 | 4,428,970 | | 1968 | 4,350,620 | | 1967 | 4,272,358 | | 1966 | 4,193,520 | | 1965 | 4,113,520 | | 1964 | 4,032,185 | | 1963 | 3,950,419 | | 1962 | 3,870,550 | | 1961 | 3,793,999 | | 1960 | 3,719,740 |
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