| Year | Value | | 2022 | 12,360,019 | | 2021 | 11,717,016 | | 2020 | 11,080,727 | | 2019 | 10,462,825 | | 2018 | 9,869,870 | | 2017 | 9,307,879 | | 2016 | 8,766,415 | | 2015 | 8,267,505 | | 2014 | 7,813,809 | | 2013 | 7,392,635 | | 2012 | 6,999,978 | | 2011 | 6,625,186 | | 2010 | 6,268,797 | | 2009 | 5,930,056 | | 2008 | 5,608,933 | | 2007 | 5,303,439 | | 2006 | 5,013,735 | | 2005 | 4,739,741 | | 2004 | 4,481,004 | | 2003 | 4,232,834 | | 2002 | 3,991,676 | | 2001 | 3,764,273 | | 2000 | 3,551,700 | | 1999 | 3,347,323 | | 1998 | 3,151,215 | | 1997 | 2,973,951 | | 1996 | 2,808,343 | | 1995 | 2,656,660 | | 1994 | 2,512,609 | | 1993 | 2,361,441 | | 1992 | 2,216,752 | | 1991 | 2,081,413 | | 1990 | 1,947,895 | | 1989 | 1,816,094 | | 1988 | 1,692,959 | | 1987 | 1,578,572 | | 1986 | 1,472,950 | | 1985 | 1,376,362 | | 1984 | 1,287,110 | | 1983 | 1,205,191 | | 1982 | 1,130,808 | | 1981 | 1,062,569 | | 1980 | 1,000,819 | | 1979 | 957,127 | | 1978 | 924,197 | | 1977 | 890,215 | | 1976 | 857,379 | | 1975 | 825,860 | | 1974 | 795,779 | | 1973 | 767,632 | | 1972 | 741,525 | | 1971 | 715,223 | | 1970 | 687,539 | | 1969 | 656,628 | | 1968 | 609,223 | | 1967 | 564,921 | | 1966 | 524,160 | | 1965 | 486,393 | | 1964 | 451,620 | | 1963 | 419,291 | | 1962 | 389,402 | | 1961 | 361,901 | | 1960 | 336,476 |
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