Year | Value | 2022 | 10,636,144 | 2021 | 10,784,760 | 2020 | 10,946,704 | 2019 | 11,069,015 | 2018 | 11,145,250 | 2017 | 11,183,832 | 2016 | 11,229,797 | 2015 | 11,302,793 | 2014 | 11,411,745 | 2013 | 11,544,652 | 2012 | 11,646,457 | 2011 | 11,691,845 | 2010 | 11,709,864 | 2009 | 11,641,435 | 2008 | 11,530,274 | 2007 | 11,416,567 | 2006 | 11,342,466 | 2005 | 11,316,483 | 2004 | 11,311,198 | 2003 | 11,299,887 | 2002 | 11,296,822 | 2001 | 11,322,767 | 2000 | 11,357,041 | 1999 | 11,405,546 | 1998 | 11,512,726 | 1997 | 11,690,243 | 1996 | 11,908,841 | 1995 | 12,167,950 | 1994 | 12,443,989 | 1993 | 12,671,974 | 1992 | 12,825,014 | 1991 | 12,990,113 | 1990 | 13,135,610 | 1989 | 13,223,839 | 1988 | 13,321,365 | 1987 | 13,456,363 | 1986 | 13,623,455 | 1985 | 13,818,628 | 1984 | 14,029,480 | 1983 | 14,223,558 | 1982 | 14,384,390 | 1981 | 14,533,859 | 1980 | 14,678,929 | 1979 | 14,834,204 | 1978 | 15,001,852 | 1977 | 15,163,528 | 1976 | 15,336,676 | 1975 | 15,484,953 | 1974 | 15,603,557 | 1973 | 15,751,494 | 1972 | 15,906,497 | 1971 | 16,008,798 | 1970 | 16,159,220 | 1969 | 16,354,696 | 1968 | 16,487,404 | 1967 | 16,552,081 | 1966 | 16,569,487 | 1965 | 16,552,656 | 1964 | 16,483,130 | 1963 | 16,391,801 | 1962 | 16,333,842 | 1961 | 16,300,373 | 1960 | 16,286,374 |
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