| Year | Value | | 2022 | 11,809,744 | | 2021 | 11,336,960 | | 2020 | 10,876,290 | | 2019 | 10,424,320 | | 2018 | 9,984,497 | | 2017 | 9,557,640 | | 2016 | 9,143,976 | | 2015 | 8,745,781 | | 2014 | 8,362,745 | | 2013 | 7,991,167 | | 2012 | 7,630,993 | | 2011 | 7,281,030 | | 2010 | 6,940,464 | | 2009 | 6,609,861 | | 2008 | 6,291,521 | | 2007 | 5,986,055 | | 2006 | 5,693,825 | | 2005 | 5,414,776 | | 2004 | 5,148,726 | | 2003 | 4,951,463 | | 2002 | 4,761,337 | | 2001 | 4,576,944 | | 2000 | 4,398,058 | | 1999 | 4,224,215 | | 1998 | 4,054,613 | | 1997 | 3,889,955 | | 1996 | 3,730,842 | | 1995 | 3,577,683 | | 1994 | 3,431,048 | | 1993 | 3,287,705 | | 1992 | 3,115,567 | | 1991 | 2,953,434 | | 1990 | 2,800,292 | | 1989 | 2,655,872 | | 1988 | 2,520,071 | | 1987 | 2,391,448 | | 1986 | 2,270,371 | | 1985 | 2,155,627 | | 1984 | 2,046,469 | | 1983 | 1,942,466 | | 1982 | 1,843,149 | | 1981 | 1,748,284 | | 1980 | 1,657,558 | | 1979 | 1,570,523 | | 1978 | 1,487,459 | | 1977 | 1,408,253 | | 1976 | 1,332,893 | | 1975 | 1,261,125 | | 1974 | 1,188,895 | | 1973 | 1,120,158 | | 1972 | 1,055,125 | | 1971 | 993,645 | | 1970 | 936,205 | | 1969 | 886,984 | | 1968 | 840,878 | | 1967 | 797,452 | | 1966 | 756,721 | | 1965 | 715,562 | | 1964 | 676,391 | | 1963 | 639,299 | | 1962 | 604,253 | | 1961 | 571,176 | | 1960 | 539,905 |
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