Year | Value | 2022 | 65,309,171 | 2021 | 64,849,001 | 2020 | 64,410,851 | 2019 | 63,898,082 | 2018 | 63,328,698 | 2017 | 62,712,641 | 2016 | 62,029,592 | 2015 | 61,325,120 | 2014 | 60,610,526 | 2013 | 59,862,821 | 2012 | 59,081,795 | 2011 | 58,268,408 | 2010 | 57,445,993 | 2009 | 56,685,733 | 2008 | 55,985,191 | 2007 | 55,278,659 | 2006 | 54,557,092 | 2005 | 53,823,103 | 2004 | 53,064,573 | 2003 | 52,296,746 | 2002 | 51,530,724 | 2001 | 50,758,748 | 2000 | 49,973,382 | 1999 | 49,166,531 | 1998 | 48,346,692 | 1997 | 47,517,728 | 1996 | 46,680,349 | 1995 | 45,831,232 | 1994 | 44,964,382 | 1993 | 44,092,387 | 1992 | 43,224,989 | 1991 | 42,363,669 | 1990 | 41,509,560 | 1989 | 40,728,948 | 1988 | 40,019,226 | 1987 | 39,311,370 | 1986 | 38,607,741 | 1985 | 37,893,236 | 1984 | 37,164,338 | 1983 | 36,422,094 | 1982 | 35,672,570 | 1981 | 34,922,848 | 1980 | 34,120,789 | 1979 | 33,217,040 | 1978 | 32,255,984 | 1977 | 31,291,999 | 1976 | 30,346,083 | 1975 | 29,419,648 | 1974 | 28,506,368 | 1973 | 27,609,964 | 1972 | 26,731,631 | 1971 | 25,870,987 | 1970 | 25,046,519 | 1969 | 24,258,520 | 1968 | 23,486,454 | 1967 | 22,729,882 | 1966 | 21,991,752 | 1965 | 21,270,482 | 1964 | 20,568,063 | 1963 | 19,891,387 | 1962 | 19,240,634 | 1961 | 18,616,799 | 1960 | 18,028,913 |
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