Year | Value | 2022 | 14,654,107 | 2021 | 14,742,914 | 2020 | 14,910,657 | 2019 | 15,073,224 | 2018 | 15,232,792 | 2017 | 15,366,705 | 2016 | 15,486,782 | 2015 | 15,574,692 | 2014 | 15,669,084 | 2013 | 15,755,278 | 2012 | 15,824,753 | 2011 | 15,940,216 | 2010 | 16,116,098 | 2009 | 16,257,436 | 2008 | 16,426,342 | 2007 | 16,587,875 | 2006 | 16,682,351 | 2005 | 16,737,274 | 2004 | 16,779,026 | 2003 | 16,769,199 | 2002 | 16,671,918 | 2001 | 16,575,387 | 2000 | 16,500,663 | 1999 | 16,378,861 | 1998 | 16,229,752 | 1997 | 16,132,175 | 1996 | 16,059,868 | 1995 | 15,971,959 | 1994 | 15,867,762 | 1993 | 15,735,598 | 1992 | 15,586,299 | 1991 | 15,432,766 | 1990 | 15,301,825 | 1989 | 15,231,821 | 1988 | 15,201,330 | 1987 | 15,156,203 | 1986 | 15,022,716 | 1985 | 14,610,434 | 1984 | 14,059,442 | 1983 | 13,589,863 | 1982 | 13,110,031 | 1981 | 12,745,910 | 1980 | 12,756,999 | 1979 | 12,952,712 | 1978 | 13,066,249 | 1977 | 13,192,689 | 1976 | 13,308,683 | 1975 | 13,297,086 | 1974 | 13,205,395 | 1973 | 13,100,800 | 1972 | 13,021,369 | 1971 | 12,983,360 | 1970 | 13,013,013 | 1969 | 13,056,059 | 1968 | 13,092,394 | 1967 | 13,101,311 | 1966 | 12,998,279 | 1965 | 12,804,104 | 1964 | 12,562,147 | 1963 | 12,313,555 | 1962 | 12,096,330 | 1961 | 11,943,282 | 1960 | 11,814,036 |
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