Year | Value | 2022 | 9,901,531 | 2021 | 9,562,795 | 2020 | 9,250,465 | 2019 | 8,969,951 | 2018 | 8,724,288 | 2017 | 8,485,633 | 2016 | 8,242,357 | 2015 | 8,009,537 | 2014 | 7,788,131 | 2013 | 7,570,473 | 2012 | 7,363,123 | 2011 | 7,176,933 | 2010 | 7,015,305 | 2009 | 6,878,906 | 2008 | 6,769,878 | 2007 | 6,675,372 | 2006 | 6,578,355 | 2005 | 6,474,404 | 2004 | 6,355,493 | 2003 | 6,219,406 | 2002 | 6,068,959 | 2001 | 5,904,442 | 2000 | 5,729,540 | 1999 | 5,544,575 | 1998 | 5,345,411 | 1997 | 5,141,096 | 1996 | 4,943,537 | 1995 | 4,751,276 | 1994 | 4,562,290 | 1993 | 4,387,115 | 1992 | 4,230,111 | 1991 | 4,090,082 | 1990 | 3,961,999 | 1989 | 3,842,871 | 1988 | 3,735,735 | 1987 | 3,638,318 | 1986 | 3,547,856 | 1985 | 3,458,640 | 1984 | 3,365,429 | 1983 | 3,284,720 | 1982 | 3,207,119 | 1981 | 3,118,020 | 1980 | 3,027,510 | 1979 | 2,937,602 | 1978 | 2,852,799 | 1977 | 2,769,145 | 1976 | 2,689,249 | 1975 | 2,614,527 | 1974 | 2,534,771 | 1973 | 2,461,683 | 1972 | 2,417,224 | 1971 | 2,395,271 | 1970 | 2,381,178 | 1969 | 2,381,449 | 1968 | 2,385,199 | 1967 | 2,365,260 | 1966 | 2,323,440 | 1965 | 2,271,374 | 1964 | 2,218,065 | 1963 | 2,168,035 | 1962 | 2,121,144 | 1961 | 2,075,614 | 1960 | 2,030,370 |
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