Year | Value | 2022 | 95,268,864 | 2021 | 97,761,255 | 2020 | 100,258,438 | 2019 | 102,181,122 | 2018 | 103,117,135 | 2017 | 102,767,309 | 2016 | 101,491,675 | 2015 | 100,203,593 | 2014 | 98,923,586 | 2013 | 98,290,254 | 2012 | 97,729,609 | 2011 | 94,417,650 | 2010 | 88,798,976 | 2009 | 83,222,787 | 2008 | 77,677,310 | 2007 | 74,069,646 | 2006 | 73,993,373 | 2005 | 75,539,875 | 2004 | 77,044,602 | 2003 | 77,480,353 | 2002 | 76,460,335 | 2001 | 74,775,796 | 2000 | 72,634,412 | 1999 | 69,803,866 | 1998 | 66,509,788 | 1997 | 62,723,694 | 1996 | 58,913,659 | 1995 | 55,187,322 | 1994 | 51,398,623 | 1993 | 48,116,989 | 1992 | 45,552,420 | 1991 | 43,936,944 | 1990 | 43,230,425 | 1989 | 43,150,864 | 1988 | 43,487,276 | 1987 | 43,908,777 | 1986 | 43,921,128 | 1985 | 43,595,714 | 1984 | 43,126,197 | 1983 | 42,450,840 | 1982 | 41,641,958 | 1981 | 40,752,929 | 1980 | 40,011,813 | 1979 | 39,498,769 | 1978 | 39,091,113 | 1977 | 38,653,558 | 1976 | 38,135,379 | 1975 | 37,495,169 | 1974 | 36,778,221 | 1973 | 35,884,834 | 1972 | 34,766,619 | 1971 | 33,649,958 | 1970 | 32,391,258 | 1969 | 31,032,003 | 1968 | 29,906,192 | 1967 | 29,008,246 | 1966 | 28,298,173 | 1965 | 27,851,936 | 1964 | 27,802,942 | 1963 | 27,961,446 | 1962 | 28,069,790 | 1961 | 28,141,391 | 1960 | 28,221,938 |
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