Year | Value | 2022 | 88,622,152 | 2021 | 87,461,058 | 2020 | 86,161,432 | 2019 | 84,928,207 | 2018 | 84,448,170 | 2017 | 84,143,739 | 2016 | 81,161,863 | 2015 | 75,950,947 | 2014 | 70,814,691 | 2013 | 65,742,481 | 2012 | 62,592,932 | 2011 | 62,890,968 | 2010 | 64,760,798 | 2009 | 66,548,572 | 2008 | 67,158,672 | 2007 | 66,282,363 | 2006 | 64,832,297 | 2005 | 62,993,746 | 2004 | 60,566,376 | 2003 | 57,835,120 | 2002 | 54,707,940 | 2001 | 51,524,110 | 2000 | 48,293,178 | 1999 | 44,913,984 | 1998 | 41,979,330 | 1997 | 39,576,911 | 1996 | 38,043,860 | 1995 | 37,495,818 | 1994 | 37,558,974 | 1993 | 37,980,440 | 1992 | 38,537,349 | 1991 | 38,663,778 | 1990 | 38,411,668 | 1989 | 38,030,910 | 1988 | 37,444,738 | 1987 | 36,680,776 | 1986 | 35,859,147 | 1985 | 35,219,084 | 1984 | 34,776,933 | 1983 | 34,355,529 | 1982 | 33,886,601 | 1981 | 33,293,863 | 1980 | 32,501,500 | 1979 | 31,573,116 | 1978 | 30,444,396 | 1977 | 29,129,030 | 1976 | 27,942,673 | 1975 | 26,846,277 | 1974 | 25,718,926 | 1973 | 24,669,218 | 1972 | 23,798,248 | 1971 | 23,076,112 | 1970 | 22,533,183 | 1969 | 22,343,244 | 1968 | 22,418,336 | 1967 | 22,501,048 | 1966 | 22,477,977 | 1965 | 22,333,569 | 1964 | 22,066,792 | 1963 | 21,703,154 | 1962 | 21,340,510 | 1961 | 21,164,573 | 1960 | 21,163,470 |
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