Year | Value | 2022 | 73,961,215 | 2021 | 76,262,517 | 2020 | 80,012,625 | 2019 | 84,461,979 | 2018 | 88,204,120 | 2017 | 91,661,923 | 2016 | 94,380,632 | 2015 | 94,665,816 | 2014 | 93,161,381 | 2013 | 91,385,718 | 2012 | 89,688,907 | 2011 | 88,063,660 | 2010 | 86,536,008 | 2009 | 85,270,386 | 2008 | 83,958,811 | 2007 | 81,960,773 | 2006 | 80,111,577 | 2005 | 79,446,171 | 2004 | 79,944,223 | 2003 | 81,838,987 | 2002 | 84,585,185 | 2001 | 87,389,787 | 2000 | 90,192,771 | 1999 | 92,392,460 | 1998 | 93,520,178 | 1997 | 93,295,462 | 1996 | 92,154,808 | 1995 | 91,040,146 | 1994 | 90,003,107 | 1993 | 89,724,924 | 1992 | 89,579,001 | 1991 | 86,622,153 | 1990 | 81,427,465 | 1989 | 76,370,893 | 1988 | 71,323,996 | 1987 | 68,195,642 | 1986 | 68,598,599 | 1985 | 70,618,967 | 1984 | 72,550,555 | 1983 | 73,235,052 | 1982 | 72,394,311 | 1981 | 70,983,216 | 1980 | 69,171,445 | 1979 | 66,663,575 | 1978 | 63,654,868 | 1977 | 60,067,215 | 1976 | 56,399,873 | 1975 | 52,684,433 | 1974 | 48,826,295 | 1973 | 45,519,524 | 1972 | 42,911,040 | 1971 | 41,292,851 | 1970 | 40,662,760 | 1969 | 40,779,221 | 1968 | 41,365,178 | 1967 | 42,054,112 | 1966 | 42,303,686 | 1965 | 42,211,919 | 1964 | 42,083,538 | 1963 | 41,835,997 | 1962 | 41,390,915 | 1961 | 40,899,988 | 1960 | 40,716,711 |
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