Year | Value | 2022 | 35,534,453 | 2021 | 34,835,102 | 2020 | 34,130,103 | 2019 | 33,429,350 | 2018 | 32,747,491 | 2017 | 32,076,830 | 2016 | 31,427,144 | 2015 | 30,782,157 | 2014 | 30,102,053 | 2013 | 29,392,306 | 2012 | 28,686,040 | 2011 | 27,983,001 | 2010 | 27,284,255 | 2009 | 26,596,826 | 2008 | 25,893,656 | 2007 | 25,145,931 | 2006 | 24,363,689 | 2005 | 23,559,873 | 2004 | 22,744,239 | 2003 | 21,789,000 | 2002 | 20,730,866 | 2001 | 19,734,240 | 2000 | 18,789,420 | 1999 | 17,893,983 | 1998 | 17,210,617 | 1997 | 16,730,846 | 1996 | 16,300,459 | 1995 | 15,936,755 | 1994 | 15,644,861 | 1993 | 15,427,350 | 1992 | 15,257,785 | 1991 | 15,085,260 | 1990 | 14,876,727 | 1989 | 14,629,603 | 1988 | 14,339,165 | 1987 | 14,010,543 | 1986 | 13,677,414 | 1985 | 13,356,459 | 1984 | 13,034,748 | 1983 | 12,700,952 | 1982 | 12,366,454 | 1981 | 12,042,554 | 1980 | 11,734,038 | 1979 | 11,443,154 | 1978 | 11,172,278 | 1977 | 10,922,157 | 1976 | 10,692,663 | 1975 | 10,480,506 | 1974 | 10,283,508 | 1973 | 10,103,765 | 1972 | 9,936,464 | 1971 | 9,773,344 | 1970 | 9,608,293 | 1969 | 9,441,146 | 1968 | 9,270,437 | 1967 | 9,101,696 | 1966 | 8,947,692 | 1965 | 8,809,897 | 1964 | 8,682,551 | 1963 | 8,570,098 | 1962 | 8,461,562 | 1961 | 8,320,196 | 1960 | 8,126,831 |
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