Year | Value | 2022 | 13,884,613 | 2021 | 13,926,176 | 2020 | 14,030,612 | 2019 | 14,084,870 | 2018 | 14,133,704 | 2017 | 14,215,100 | 2016 | 14,361,172 | 2015 | 14,531,237 | 2014 | 14,713,165 | 2013 | 14,883,347 | 2012 | 15,021,297 | 2011 | 15,140,744 | 2010 | 15,275,458 | 2009 | 15,369,754 | 2008 | 15,441,870 | 2007 | 15,482,168 | 2006 | 15,552,867 | 2005 | 15,644,139 | 2004 | 15,732,448 | 2003 | 15,852,028 | 2002 | 15,994,038 | 2001 | 16,104,585 | 2000 | 16,189,121 | 1999 | 16,276,313 | 1998 | 16,315,792 | 1997 | 16,269,362 | 1996 | 16,203,439 | 1995 | 16,150,756 | 1994 | 16,045,503 | 1993 | 15,905,913 | 1992 | 15,803,832 | 1991 | 15,727,063 | 1990 | 15,634,004 | 1989 | 15,551,186 | 1988 | 15,448,356 | 1987 | 15,336,802 | 1986 | 15,222,242 | 1985 | 15,124,418 | 1984 | 15,063,313 | 1983 | 15,035,114 | 1982 | 14,990,076 | 1981 | 14,842,241 | 1980 | 14,427,945 | 1979 | 13,887,366 | 1978 | 13,411,899 | 1977 | 12,922,763 | 1976 | 12,551,335 | 1975 | 12,560,794 | 1974 | 12,753,430 | 1973 | 12,858,442 | 1972 | 12,981,516 | 1971 | 13,111,108 | 1970 | 13,140,523 | 1969 | 13,083,755 | 1968 | 13,001,640 | 1967 | 12,945,495 | 1966 | 12,920,527 | 1965 | 12,951,893 | 1964 | 13,013,963 | 1963 | 13,094,671 | 1962 | 13,183,718 | 1961 | 13,243,529 | 1960 | 13,288,425 |
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