Year | Value | 2022 | 97,295,809 | 2021 | 94,854,437 | 2020 | 93,598,341 | 2019 | 93,515,945 | 2018 | 94,876,034 | 2017 | 97,199,760 | 2016 | 99,682,039 | 2015 | 102,221,699 | 2014 | 104,155,974 | 2013 | 105,087,441 | 2012 | 104,659,676 | 2011 | 103,271,900 | 2010 | 101,932,792 | 2009 | 100,673,262 | 2008 | 100,109,056 | 2007 | 99,650,596 | 2006 | 96,358,086 | 2005 | 90,567,010 | 2004 | 84,743,856 | 2003 | 78,957,558 | 2002 | 75,182,062 | 2001 | 75,041,416 | 2000 | 76,571,953 | 1999 | 77,986,394 | 1998 | 78,229,711 | 1997 | 76,947,886 | 1996 | 75,047,436 | 1995 | 72,806,726 | 1994 | 69,994,970 | 1993 | 66,863,141 | 1992 | 63,421,205 | 1991 | 59,991,109 | 1990 | 56,608,519 | 1989 | 53,161,661 | 1988 | 50,169,813 | 1987 | 47,715,475 | 1986 | 46,161,534 | 1985 | 45,594,882 | 1984 | 45,654,416 | 1983 | 46,106,480 | 1982 | 46,709,671 | 1981 | 46,852,971 | 1980 | 46,540,845 | 1979 | 46,025,235 | 1978 | 45,264,877 | 1977 | 44,271,866 | 1976 | 43,217,709 | 1975 | 42,375,927 | 1974 | 41,774,367 | 1973 | 41,206,082 | 1972 | 40,603,216 | 1971 | 39,865,358 | 1970 | 38,867,841 | 1969 | 37,763,142 | 1968 | 36,476,896 | 1967 | 34,969,826 | 1966 | 33,598,631 | 1965 | 32,394,709 | 1964 | 31,258,808 | 1963 | 30,320,590 | 1962 | 29,590,949 | 1961 | 29,088,650 | 1960 | 28,923,093 |
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