Year | Value | 2022 | 80,390,150 | 2021 | 79,366,179 | 2020 | 78,228,951 | 2019 | 77,018,612 | 2018 | 76,421,009 | 2017 | 75,892,022 | 2016 | 72,577,714 | 2015 | 66,978,016 | 2014 | 61,516,525 | 2013 | 56,244,006 | 2012 | 52,967,646 | 2011 | 53,200,537 | 2010 | 55,110,901 | 2009 | 56,968,305 | 2008 | 57,724,753 | 2007 | 57,078,470 | 2006 | 55,818,290 | 2005 | 54,118,531 | 2004 | 51,758,703 | 2003 | 49,012,747 | 2002 | 45,820,970 | 2001 | 42,645,859 | 2000 | 39,768,852 | 1999 | 37,058,847 | 1998 | 34,848,784 | 1997 | 33,078,542 | 1996 | 31,803,656 | 1995 | 30,899,006 | 1994 | 30,202,338 | 1993 | 29,697,925 | 1992 | 29,375,275 | 1991 | 29,080,062 | 1990 | 28,905,849 | 1989 | 28,908,649 | 1988 | 28,898,609 | 1987 | 28,674,460 | 1986 | 28,180,760 | 1985 | 27,551,248 | 1984 | 26,876,785 | 1983 | 26,152,085 | 1982 | 25,464,687 | 1981 | 24,836,945 | 1980 | 24,263,887 | 1979 | 23,785,556 | 1978 | 23,254,318 | 1977 | 22,643,776 | 1976 | 22,167,084 | 1975 | 21,704,435 | 1974 | 21,113,574 | 1973 | 20,514,013 | 1972 | 20,052,525 | 1971 | 19,686,668 | 1970 | 19,314,540 | 1969 | 19,035,516 | 1968 | 18,867,511 | 1967 | 18,594,647 | 1966 | 18,168,566 | 1965 | 17,753,940 | 1964 | 17,463,471 | 1963 | 17,249,347 | 1962 | 17,070,927 | 1961 | 17,059,086 | 1960 | 17,216,925 |
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