Year | Value | 2022 | 38,469,791 | 2021 | 37,469,465 | 2020 | 36,428,455 | 2019 | 35,412,117 | 2018 | 34,449,624 | 2017 | 33,497,988 | 2016 | 32,533,654 | 2015 | 31,591,490 | 2014 | 30,666,271 | 2013 | 29,711,398 | 2012 | 28,749,320 | 2011 | 27,802,987 | 2010 | 26,904,397 | 2009 | 26,087,785 | 2008 | 25,391,893 | 2007 | 24,825,723 | 2006 | 24,296,106 | 2005 | 23,731,022 | 2004 | 23,158,365 | 2003 | 22,583,776 | 2002 | 21,968,085 | 2001 | 21,344,399 | 2000 | 20,733,390 | 1999 | 20,106,008 | 1998 | 19,472,664 | 1997 | 18,881,731 | 1996 | 18,355,496 | 1995 | 17,851,832 | 1994 | 17,341,295 | 1993 | 16,840,626 | 1992 | 16,337,542 | 1991 | 15,853,573 | 1990 | 15,436,442 | 1989 | 15,044,694 | 1988 | 14,664,991 | 1987 | 14,293,027 | 1986 | 13,905,272 | 1985 | 13,505,840 | 1984 | 13,072,614 | 1983 | 12,620,318 | 1982 | 12,219,194 | 1981 | 11,904,754 | 1980 | 11,662,198 | 1979 | 11,444,415 | 1978 | 11,221,087 | 1977 | 10,979,798 | 1976 | 10,726,083 | 1975 | 10,482,839 | 1974 | 10,257,275 | 1973 | 10,058,096 | 1972 | 9,890,669 | 1971 | 9,780,522 | 1970 | 9,666,414 | 1969 | 9,497,713 | 1968 | 9,315,213 | 1967 | 9,126,796 | 1966 | 8,944,109 | 1965 | 8,768,874 | 1964 | 8,595,287 | 1963 | 8,421,054 | 1962 | 8,246,971 | 1961 | 8,075,561 | 1960 | 7,911,243 |
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