Year | Value | 2022 | 64,479,520 | 2021 | 63,958,858 | 2020 | 63,846,841 | 2019 | 63,927,859 | 2018 | 64,083,686 | 2017 | 64,518,260 | 2016 | 65,169,968 | 2015 | 65,919,354 | 2014 | 66,942,631 | 2013 | 68,341,790 | 2012 | 69,903,529 | 2011 | 71,771,474 | 2010 | 74,928,178 | 2009 | 78,804,136 | 2008 | 82,018,275 | 2007 | 84,941,978 | 2006 | 87,197,836 | 2005 | 87,130,145 | 2004 | 85,435,115 | 2003 | 83,621,331 | 2002 | 82,020,401 | 2001 | 80,603,832 | 2000 | 79,191,954 | 1999 | 77,895,925 | 1998 | 76,543,057 | 1997 | 74,504,918 | 1996 | 72,611,214 | 1995 | 71,967,158 | 1994 | 72,531,095 | 1993 | 74,536,245 | 1992 | 77,443,567 | 1991 | 80,411,454 | 1990 | 83,435,011 | 1989 | 85,878,422 | 1988 | 87,179,754 | 1987 | 87,091,984 | 1986 | 86,076,174 | 1985 | 84,979,827 | 1984 | 83,824,909 | 1983 | 83,294,906 | 1982 | 82,777,598 | 1981 | 79,306,456 | 1980 | 73,433,186 | 1979 | 67,677,224 | 1978 | 62,060,681 | 1977 | 58,575,497 | 1976 | 58,874,543 | 1975 | 60,903,740 | 1974 | 62,822,699 | 1973 | 63,530,221 | 1972 | 62,728,049 | 1971 | 61,289,429 | 1970 | 59,405,983 | 1969 | 56,911,487 | 1968 | 54,066,316 | 1967 | 50,781,232 | 1966 | 47,534,603 | 1965 | 44,610,849 | 1964 | 42,005,723 | 1963 | 40,026,300 | 1962 | 38,438,374 | 1961 | 37,441,250 | 1960 | 37,004,403 |
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