| Year | Value | | 2022 | 4,015,701 | | 2021 | 3,934,799 | | 2020 | 3,919,863 | | 2019 | 3,932,743 | | 2018 | 3,889,772 | | 2017 | 3,795,173 | | 2016 | 3,628,408 | | 2015 | 3,410,010 | | 2014 | 3,213,227 | | 2013 | 3,010,674 | | 2012 | 2,742,336 | | 2011 | 2,443,090 | | 2010 | 2,166,075 | | 2009 | 2,013,010 | | 2008 | 1,963,882 | | 2007 | 1,915,893 | | 2006 | 1,868,429 | | 2005 | 1,820,999 | | 2004 | 1,773,304 | | 2003 | 1,738,813 | | 2002 | 1,719,313 | | 2001 | 1,699,040 | | 2000 | 1,677,758 | | 1999 | 1,655,567 | | 1998 | 1,632,490 | | 1997 | 1,608,492 | | 1996 | 1,583,413 | | 1995 | 1,557,132 | | 1994 | 1,529,589 | | 1993 | 1,471,938 | | 1992 | 1,378,681 | | 1991 | 1,284,861 | | 1990 | 1,192,826 | | 1989 | 1,103,129 | | 1988 | 1,016,172 | | 1987 | 932,017 | | 1986 | 850,825 | | 1985 | 772,444 | | 1984 | 702,827 | | 1983 | 641,993 | | 1982 | 584,916 | | 1981 | 532,122 | | 1980 | 483,925 | | 1979 | 439,808 | | 1978 | 399,438 | | 1977 | 362,802 | | 1976 | 329,954 | | 1975 | 300,810 | | 1974 | 274,876 | | 1973 | 252,597 | | 1972 | 233,357 | | 1971 | 215,506 | | 1970 | 198,961 | | 1969 | 183,614 | | 1968 | 169,383 | | 1967 | 156,170 | | 1966 | 143,950 | | 1965 | 132,645 | | 1964 | 122,205 | | 1963 | 112,549 | | 1962 | 103,667 | | 1961 | 95,491 | | 1960 | 87,995 |
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