Year | Value | 2022 | 83,169,138 | 2021 | 85,851,543 | 2020 | 88,429,460 | 2019 | 90,418,713 | 2018 | 91,384,010 | 2017 | 91,052,974 | 2016 | 89,789,167 | 2015 | 88,496,675 | 2014 | 87,270,782 | 2013 | 86,818,802 | 2012 | 86,514,564 | 2011 | 83,462,125 | 2010 | 78,189,098 | 2009 | 73,074,225 | 2008 | 68,057,365 | 2007 | 65,021,538 | 2006 | 65,511,304 | 2005 | 67,523,703 | 2004 | 69,346,148 | 2003 | 69,906,798 | 2002 | 68,921,189 | 2001 | 67,353,472 | 2000 | 65,401,401 | 1999 | 62,856,046 | 1998 | 59,958,599 | 1997 | 56,642,111 | 1996 | 53,277,966 | 1995 | 49,901,567 | 1994 | 46,409,415 | 1993 | 43,421,740 | 1992 | 41,017,194 | 1991 | 39,504,938 | 1990 | 39,035,283 | 1989 | 39,213,264 | 1988 | 39,727,276 | 1987 | 40,376,838 | 1986 | 40,598,786 | 1985 | 40,390,912 | 1984 | 40,019,718 | 1983 | 39,448,504 | 1982 | 38,674,619 | 1981 | 37,826,136 | 1980 | 37,189,457 | 1979 | 36,761,440 | 1978 | 36,335,484 | 1977 | 35,843,688 | 1976 | 35,209,591 | 1975 | 34,338,582 | 1974 | 33,344,275 | 1973 | 32,162,476 | 1972 | 30,784,304 | 1971 | 29,532,544 | 1970 | 28,370,062 | 1969 | 27,195,142 | 1968 | 26,144,114 | 1967 | 25,293,957 | 1966 | 24,599,301 | 1965 | 24,103,359 | 1964 | 24,022,147 | 1963 | 24,253,327 | 1962 | 24,446,923 | 1961 | 24,600,774 | 1960 | 24,801,473 |
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