| Year | Value | | 2022 | 5,178,941 | | 2021 | 5,064,720 | | 2020 | 4,933,329 | | 2019 | 4,784,431 | | 2018 | 4,621,195 | | 2017 | 4,437,729 | | 2016 | 4,242,282 | | 2015 | 4,049,716 | | 2014 | 3,868,122 | | 2013 | 3,705,064 | | 2012 | 3,566,161 | | 2011 | 3,459,472 | | 2010 | 3,383,259 | | 2009 | 3,322,145 | | 2008 | 3,266,236 | | 2007 | 3,206,626 | | 2006 | 3,139,173 | | 2005 | 3,064,500 | | 2004 | 2,978,912 | | 2003 | 2,881,199 | | 2002 | 2,769,026 | | 2001 | 2,643,403 | | 2000 | 2,517,411 | | 1999 | 2,387,756 | | 1998 | 2,255,396 | | 1997 | 2,145,939 | | 1996 | 2,063,640 | | 1995 | 2,000,471 | | 1994 | 1,956,317 | | 1993 | 1,926,200 | | 1992 | 1,891,660 | | 1991 | 1,844,849 | | 1990 | 1,793,586 | | 1989 | 1,745,358 | | 1988 | 1,702,546 | | 1987 | 1,663,563 | | 1986 | 1,626,231 | | 1985 | 1,587,932 | | 1984 | 1,548,450 | | 1983 | 1,508,655 | | 1982 | 1,469,908 | | 1981 | 1,435,834 | | 1980 | 1,408,858 | | 1979 | 1,387,923 | | 1978 | 1,369,818 | | 1977 | 1,352,010 | | 1976 | 1,336,385 | | 1975 | 1,321,446 | | 1974 | 1,301,963 | | 1973 | 1,278,922 | | 1972 | 1,254,935 | | 1971 | 1,238,491 | | 1970 | 1,223,244 | | 1969 | 1,197,525 | | 1968 | 1,166,556 | | 1967 | 1,134,216 | | 1966 | 1,102,819 | | 1965 | 1,073,329 | | 1964 | 1,045,082 | | 1963 | 1,018,320 | | 1962 | 992,442 | | 1961 | 965,750 | | 1960 | 937,976 |
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