Year | Value | 2022 | 46,902,517 | 2021 | 45,736,017 | 2020 | 44,575,876 | 2019 | 43,503,300 | 2018 | 42,525,122 | 2017 | 41,567,423 | 2016 | 40,629,575 | 2015 | 39,666,955 | 2014 | 38,660,131 | 2013 | 37,638,107 | 2012 | 36,615,911 | 2011 | 35,602,115 | 2010 | 34,582,992 | 2009 | 33,548,879 | 2008 | 32,494,869 | 2007 | 31,419,783 | 2006 | 30,330,087 | 2005 | 29,251,441 | 2004 | 28,222,790 | 2003 | 27,278,000 | 2002 | 26,447,928 | 2001 | 25,732,769 | 2000 | 25,104,081 | 1999 | 24,525,688 | 1998 | 23,964,629 | 1997 | 23,418,714 | 1996 | 22,880,031 | 1995 | 22,293,115 | 1994 | 21,619,494 | 1993 | 20,949,635 | 1992 | 20,329,500 | 1991 | 19,707,024 | 1990 | 19,093,437 | 1989 | 18,498,091 | 1988 | 17,927,320 | 1987 | 17,389,576 | 1986 | 16,870,434 | 1985 | 16,370,075 | 1984 | 15,888,174 | 1983 | 15,423,781 | 1982 | 14,953,896 | 1981 | 14,475,610 | 1980 | 14,017,562 | 1979 | 13,543,980 | 1978 | 13,066,376 | 1977 | 12,668,410 | 1976 | 12,352,020 | 1975 | 12,063,552 | 1974 | 11,807,462 | 1973 | 11,571,019 | 1972 | 11,318,260 | 1971 | 11,052,808 | 1970 | 10,777,293 | 1969 | 10,501,471 | 1968 | 10,244,449 | 1967 | 10,007,406 | 1966 | 9,785,691 | 1965 | 9,572,514 | 1964 | 9,364,758 | 1963 | 9,163,492 | 1962 | 8,967,520 | 1961 | 8,777,096 | 1960 | 8,593,676 |
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