| Year | Value | | 2022 | 10,074,765 | | 2021 | 9,796,355 | | 2020 | 9,538,100 | | 2019 | 9,241,590 | | 2018 | 8,905,952 | | 2017 | 8,561,929 | | 2016 | 8,219,756 | | 2015 | 7,885,960 | | 2014 | 7,569,246 | | 2013 | 7,284,979 | | 2012 | 7,035,692 | | 2011 | 6,813,905 | | 2010 | 6,616,765 | | 2009 | 6,437,755 | | 2008 | 6,258,354 | | 2007 | 6,083,438 | | 2006 | 5,912,149 | | 2005 | 5,740,664 | | 2004 | 5,568,747 | | 2003 | 5,403,848 | | 2002 | 5,250,685 | | 2001 | 5,107,605 | | 2000 | 4,976,271 | | 1999 | 4,856,340 | | 1998 | 4,742,340 | | 1997 | 4,630,223 | | 1996 | 4,516,855 | | 1995 | 4,402,098 | | 1994 | 4,283,920 | | 1993 | 4,160,727 | | 1992 | 4,034,561 | | 1991 | 3,907,078 | | 1990 | 3,779,651 | | 1989 | 3,653,389 | | 1988 | 3,529,564 | | 1987 | 3,411,641 | | 1986 | 3,304,960 | | 1985 | 3,213,088 | | 1984 | 3,135,289 | | 1983 | 3,069,254 | | 1982 | 3,011,197 | | 1981 | 2,954,351 | | 1980 | 2,893,002 | | 1979 | 2,825,685 | | 1978 | 2,752,967 | | 1977 | 2,676,017 | | 1976 | 2,598,415 | | 1975 | 2,521,372 | | 1974 | 2,444,904 | | 1973 | 2,370,865 | | 1972 | 2,300,079 | | 1971 | 2,230,544 | | 1970 | 2,164,524 | | 1969 | 2,101,013 | | 1968 | 2,034,960 | | 1967 | 1,967,495 | | 1966 | 1,899,483 | | 1965 | 1,830,559 | | 1964 | 1,761,502 | | 1963 | 1,693,428 | | 1962 | 1,627,491 | | 1961 | 1,566,328 | | 1960 | 1,513,115 |
|