Year | Value | 2022 | 89,041,649 | 2021 | 87,391,396 | 2020 | 85,739,540 | 2019 | 84,343,395 | 2018 | 82,943,666 | 2017 | 80,903,683 | 2016 | 79,014,522 | 2015 | 78,315,152 | 2014 | 78,763,703 | 2013 | 80,555,390 | 2012 | 83,179,528 | 2011 | 85,879,629 | 2010 | 88,647,373 | 2009 | 90,896,716 | 2008 | 92,160,604 | 2007 | 92,131,853 | 2006 | 91,195,182 | 2005 | 90,220,442 | 2004 | 89,287,252 | 2003 | 89,117,648 | 2002 | 89,042,967 | 2001 | 86,122,123 | 2000 | 80,875,400 | 1999 | 75,670,086 | 1998 | 70,471,376 | 1997 | 67,234,575 | 1996 | 67,504,374 | 1995 | 69,351,041 | 1994 | 71,070,865 | 1993 | 71,579,309 | 1992 | 70,641,745 | 1991 | 69,145,674 | 1990 | 67,311,616 | 1989 | 64,889,103 | 1988 | 61,952,561 | 1987 | 58,419,315 | 1986 | 54,809,951 | 1985 | 51,176,236 | 1984 | 47,384,795 | 1983 | 44,145,404 | 1982 | 41,626,230 | 1981 | 40,086,541 | 1980 | 39,538,799 | 1979 | 39,687,663 | 1978 | 40,250,254 | 1977 | 40,916,461 | 1976 | 41,164,362 | 1975 | 41,047,247 | 1974 | 40,778,684 | 1973 | 40,291,580 | 1972 | 39,652,437 | 1971 | 38,891,660 | 1970 | 38,255,059 | 1969 | 37,889,334 | 1968 | 37,660,253 | 1967 | 37,359,734 | 1966 | 36,941,944 | 1965 | 36,434,267 | 1964 | 35,929,598 | 1963 | 35,294,905 | 1962 | 34,389,770 | 1961 | 33,535,372 | 1960 | 32,760,707 |
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