| Year | Value | | 2022 | 5,216,337 | | 2021 | 5,167,981 | | 2020 | 5,138,400 | | 2019 | 5,116,342 | | 2018 | 5,091,100 | | 2017 | 5,059,173 | | 2016 | 5,020,143 | | 2015 | 4,974,525 | | 2014 | 4,932,961 | | 2013 | 4,901,386 | | 2012 | 4,872,608 | | 2011 | 4,844,002 | | 2010 | 4,815,111 | | 2009 | 4,785,983 | | 2008 | 4,751,268 | | 2007 | 4,712,839 | | 2006 | 4,681,382 | | 2005 | 4,652,908 | | 2004 | 4,624,434 | | 2003 | 4,601,394 | | 2002 | 4,582,981 | | 2001 | 4,563,004 | | 2000 | 4,544,013 | | 1999 | 4,528,106 | | 1998 | 4,511,769 | | 1997 | 4,493,986 | | 1996 | 4,473,929 | | 1995 | 4,447,268 | | 1994 | 4,422,754 | | 1993 | 4,406,442 | | 1992 | 4,390,390 | | 1991 | 4,374,504 | | 1990 | 4,361,727 | | 1989 | 4,351,259 | | 1988 | 4,343,212 | | 1987 | 4,335,668 | | 1986 | 4,324,701 | | 1985 | 4,313,449 | | 1984 | 4,306,181 | | 1983 | 4,302,863 | | 1982 | 4,300,240 | | 1981 | 4,297,767 | | 1980 | 4,289,152 | | 1979 | 4,269,868 | | 1978 | 4,245,152 | | 1977 | 4,217,587 | | 1976 | 4,189,964 | | 1975 | 4,156,474 | | 1974 | 4,121,150 | | 1973 | 4,078,304 | | 1972 | 4,029,765 | | 1971 | 3,982,363 | | 1970 | 3,930,043 | | 1969 | 3,875,429 | | 1968 | 3,828,566 | | 1967 | 3,779,458 | | 1966 | 3,723,679 | | 1965 | 3,666,724 | | 1964 | 3,608,088 | | 1963 | 3,548,824 | | 1962 | 3,490,118 | | 1961 | 3,431,879 | | 1960 | 3,374,572 |
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