Year | Value | 2022 | 42,664,370 | 2021 | 42,530,723 | 2020 | 42,731,477 | 2019 | 42,893,032 | 2018 | 43,062,056 | 2017 | 43,218,755 | 2016 | 43,326,615 | 2015 | 43,365,277 | 2014 | 43,482,140 | 2013 | 43,715,892 | 2012 | 44,030,972 | 2011 | 44,393,919 | 2010 | 44,759,573 | 2009 | 44,979,937 | 2008 | 45,076,587 | 2007 | 45,015,232 | 2006 | 44,843,733 | 2005 | 44,634,139 | 2004 | 44,461,077 | 2003 | 44,333,225 | 2002 | 44,289,994 | 2001 | 44,326,365 | 2000 | 44,438,898 | 1999 | 44,569,321 | 1998 | 44,583,353 | 1997 | 44,471,114 | 1996 | 44,280,654 | 1995 | 44,124,619 | 1994 | 44,092,223 | 1993 | 44,224,801 | 1992 | 44,497,427 | 1991 | 44,902,314 | 1990 | 45,311,797 | 1989 | 45,602,836 | 1988 | 45,801,258 | 1987 | 45,898,427 | 1986 | 45,730,752 | 1985 | 45,583,067 | 1984 | 45,722,268 | 1983 | 45,906,699 | 1982 | 45,996,792 | 1981 | 46,104,159 | 1980 | 46,045,539 | 1979 | 45,695,485 | 1978 | 45,214,139 | 1977 | 44,695,500 | 1976 | 44,132,780 | 1975 | 43,520,307 | 1974 | 42,891,060 | 1973 | 42,306,113 | 1972 | 41,713,181 | 1971 | 41,299,457 | 1970 | 40,749,698 | 1969 | 40,154,138 | 1968 | 39,850,657 | 1967 | 39,766,020 | 1966 | 39,304,311 | 1965 | 38,233,174 | 1964 | 36,995,741 | 1963 | 35,687,114 | 1962 | 34,247,810 | 1961 | 32,936,545 | 1960 | 32,396,136 |
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