Year | Value | 2022 | 47,636,843 | 2021 | 46,127,669 | 2020 | 44,669,526 | 2019 | 43,250,024 | 2018 | 41,934,653 | 2017 | 40,696,737 | 2016 | 39,461,406 | 2015 | 38,268,203 | 2014 | 37,174,968 | 2013 | 36,122,535 | 2012 | 35,093,514 | 2011 | 34,128,464 | 2010 | 33,236,320 | 2009 | 32,388,606 | 2008 | 31,542,615 | 2007 | 30,780,994 | 2006 | 30,066,957 | 2005 | 29,268,570 | 2004 | 28,433,089 | 2003 | 27,596,304 | 2002 | 26,729,066 | 2001 | 25,882,097 | 2000 | 25,094,894 | 1999 | 24,318,096 | 1998 | 23,547,072 | 1997 | 22,832,607 | 1996 | 22,204,458 | 1995 | 21,566,767 | 1994 | 20,754,680 | 1993 | 19,924,387 | 1992 | 19,209,647 | 1991 | 18,571,047 | 1990 | 18,024,995 | 1989 | 17,487,844 | 1988 | 16,937,537 | 1987 | 16,423,208 | 1986 | 15,937,934 | 1985 | 15,463,733 | 1984 | 14,992,589 | 1983 | 14,535,330 | 1982 | 14,093,961 | 1981 | 13,721,753 | 1980 | 13,399,585 | 1979 | 13,031,258 | 1978 | 12,634,843 | 1977 | 12,251,005 | 1976 | 11,880,833 | 1975 | 11,516,679 | 1974 | 11,144,480 | 1973 | 10,784,932 | 1972 | 10,503,857 | 1971 | 10,286,261 | 1970 | 10,090,349 | 1969 | 9,922,906 | 1968 | 9,756,951 | 1967 | 9,545,150 | 1966 | 9,302,451 | 1965 | 9,054,638 | 1964 | 8,815,623 | 1963 | 8,598,278 | 1962 | 8,403,829 | 1961 | 8,224,084 | 1960 | 8,053,441 |
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