Year | Value | 2022 | 79,150,241 | 2021 | 78,427,629 | 2020 | 77,600,322 | 2019 | 76,780,547 | 2018 | 76,041,581 | 2017 | 75,212,756 | 2016 | 74,331,775 | 2015 | 73,452,044 | 2014 | 72,480,314 | 2013 | 71,398,344 | 2012 | 70,232,636 | 2011 | 68,904,084 | 2010 | 67,469,379 | 2009 | 66,012,691 | 2008 | 64,525,048 | 2007 | 63,102,417 | 2006 | 61,762,652 | 2005 | 60,464,418 | 2004 | 59,268,033 | 2003 | 58,203,541 | 2002 | 57,165,401 | 2001 | 56,025,108 | 2000 | 54,776,333 | 1999 | 53,488,935 | 1998 | 52,214,115 | 1997 | 50,981,812 | 1996 | 49,777,871 | 1995 | 48,617,743 | 1994 | 47,538,684 | 1993 | 46,501,303 | 1992 | 45,527,177 | 1991 | 44,640,228 | 1990 | 43,769,760 | 1989 | 42,860,295 | 1988 | 41,913,071 | 1987 | 40,965,658 | 1986 | 40,014,639 | 1985 | 39,041,930 | 1984 | 38,064,778 | 1983 | 37,052,252 | 1982 | 35,950,768 | 1981 | 34,794,444 | 1980 | 33,582,683 | 1979 | 32,364,908 | 1978 | 31,068,694 | 1977 | 29,730,519 | 1976 | 28,528,758 | 1975 | 27,429,891 | 1974 | 26,424,080 | 1973 | 25,662,839 | 1972 | 25,093,068 | 1971 | 24,574,754 | 1970 | 24,124,885 | 1969 | 23,739,999 | 1968 | 23,446,177 | 1967 | 23,217,784 | 1966 | 22,999,440 | 1965 | 22,741,880 | 1964 | 22,437,308 | 1963 | 22,081,392 | 1962 | 21,672,423 | 1961 | 21,252,251 | 1960 | 20,844,253 |
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