Year | Value | 2022 | 174,256,345 | 2021 | 171,436,537 | 2020 | 168,492,453 | 2019 | 165,632,117 | 2018 | 163,496,153 | 2017 | 161,551,912 | 2016 | 156,942,043 | 2015 | 150,045,085 | 2014 | 143,137,992 | 2013 | 136,184,490 | 2012 | 131,084,475 | 2011 | 129,420,340 | 2010 | 129,342,489 | 2009 | 129,261,217 | 2008 | 128,111,804 | 2007 | 125,474,970 | 2006 | 122,173,763 | 2005 | 118,396,583 | 2004 | 113,932,824 | 2003 | 108,861,816 | 2002 | 103,211,766 | 2001 | 97,644,997 | 2000 | 92,180,996 | 1999 | 86,679,883 | 1998 | 82,002,979 | 1997 | 78,341,578 | 1996 | 75,805,411 | 1995 | 74,415,868 | 1994 | 73,868,026 | 1993 | 73,879,279 | 1992 | 74,075,384 | 1991 | 73,742,305 | 1990 | 72,914,019 | 1989 | 71,828,900 | 1988 | 70,436,486 | 1987 | 68,871,989 | 1986 | 67,305,996 | 1985 | 65,984,294 | 1984 | 64,989,192 | 1983 | 64,147,006 | 1982 | 63,237,746 | 1981 | 62,206,646 | 1980 | 61,045,655 | 1979 | 59,778,041 | 1978 | 58,335,415 | 1977 | 56,677,030 | 1976 | 55,008,082 | 1975 | 53,253,995 | 1974 | 51,401,469 | 1973 | 49,665,074 | 1972 | 48,109,659 | 1971 | 46,790,311 | 1970 | 45,826,756 | 1969 | 45,353,700 | 1968 | 45,119,830 | 1967 | 44,944,388 | 1966 | 44,733,897 | 1965 | 44,338,460 | 1964 | 43,731,240 | 1963 | 43,007,410 | 1962 | 42,269,318 | 1961 | 41,669,495 | 1960 | 41,175,637 |
|