Year | Value | 2022 | 11,771,547 | 2021 | 11,896,083 | 2020 | 12,084,118 | 2019 | 12,268,734 | 2018 | 12,472,895 | 2017 | 12,642,704 | 2016 | 12,783,771 | 2015 | 12,899,280 | 2014 | 13,007,244 | 2013 | 13,068,598 | 2012 | 13,046,843 | 2011 | 12,970,956 | 2010 | 12,909,941 | 2009 | 12,722,159 | 2008 | 12,485,168 | 2007 | 12,247,622 | 2006 | 12,015,170 | 2005 | 11,776,610 | 2004 | 11,536,887 | 2003 | 11,315,037 | 2002 | 11,127,851 | 2001 | 10,970,989 | 2000 | 10,867,548 | 1999 | 10,823,814 | 1998 | 10,826,345 | 1997 | 10,822,149 | 1996 | 10,748,668 | 1995 | 10,477,492 | 1994 | 10,107,355 | 1993 | 9,797,705 | 1992 | 9,469,161 | 1991 | 9,213,854 | 1990 | 9,252,948 | 1989 | 9,432,059 | 1988 | 9,510,656 | 1987 | 9,589,690 | 1986 | 9,653,621 | 1985 | 9,619,708 | 1984 | 9,533,003 | 1983 | 9,431,601 | 1982 | 9,343,282 | 1981 | 9,292,907 | 1980 | 9,269,235 | 1979 | 9,252,429 | 1978 | 9,272,857 | 1977 | 9,295,167 | 1976 | 9,240,263 | 1975 | 9,099,744 | 1974 | 8,911,237 | 1973 | 8,718,735 | 1972 | 8,558,743 | 1971 | 8,466,758 | 1970 | 8,424,560 | 1969 | 8,210,000 | 1968 | 7,696,445 | 1967 | 7,064,313 | 1966 | 6,443,256 | 1965 | 5,948,252 | 1964 | 5,896,957 | 1963 | 6,325,020 | 1962 | 6,915,599 | 1961 | 7,473,902 | 1960 | 7,891,231 |
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