| Year | Value | | 2022 | 10,265,849 | | 2021 | 9,786,489 | | 2020 | 9,319,264 | | 2019 | 8,871,964 | | 2018 | 8,443,371 | | 2017 | 8,028,117 | | 2016 | 7,626,464 | | 2015 | 7,243,533 | | 2014 | 6,879,609 | | 2013 | 6,529,209 | | 2012 | 6,209,357 | | 2011 | 5,902,462 | | 2010 | 5,590,350 | | 2009 | 5,291,488 | | 2008 | 5,006,021 | | 2007 | 4,732,876 | | 2006 | 4,472,881 | | 2005 | 4,225,685 | | 2004 | 3,991,374 | | 2003 | 3,770,161 | | 2002 | 3,562,610 | | 2001 | 3,367,997 | | 2000 | 3,186,959 | | 1999 | 3,018,112 | | 1998 | 2,862,006 | | 1997 | 2,738,378 | | 1996 | 2,631,763 | | 1995 | 2,531,764 | | 1994 | 2,434,650 | | 1993 | 2,340,883 | | 1992 | 2,251,855 | | 1991 | 2,167,034 | | 1990 | 2,086,159 | | 1989 | 2,009,186 | | 1988 | 1,937,381 | | 1987 | 1,870,200 | | 1986 | 1,795,937 | | 1985 | 1,720,471 | | 1984 | 1,645,207 | | 1983 | 1,570,587 | | 1982 | 1,498,171 | | 1981 | 1,428,984 | | 1980 | 1,362,748 | | 1979 | 1,299,759 | | 1978 | 1,240,593 | | 1977 | 1,184,763 | | 1976 | 1,133,541 | | 1975 | 1,086,284 | | 1974 | 1,040,901 | | 1973 | 997,595 | | 1972 | 956,644 | | 1971 | 918,251 | | 1970 | 881,809 | | 1969 | 846,889 | | 1968 | 813,567 | | 1967 | 781,639 | | 1966 | 751,254 | | 1965 | 721,982 | | 1964 | 693,837 | | 1963 | 666,784 | | 1962 | 640,809 | | 1961 | 615,794 | | 1960 | 591,676 |
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