| Year | Value | | 2022 | 3,395,541 | | 2021 | 3,435,051 | | 2020 | 3,469,087 | | 2019 | 3,521,605 | | 2018 | 3,577,639 | | 2017 | 3,640,950 | | 2016 | 3,708,283 | | 2015 | 3,779,248 | | 2014 | 3,855,050 | | 2013 | 3,936,962 | | 2012 | 4,020,561 | | 2011 | 4,099,817 | | 2010 | 4,169,291 | | 2009 | 4,231,103 | | 2008 | 4,290,949 | | 2007 | 4,349,078 | | 2006 | 4,404,945 | | 2005 | 4,461,605 | | 2004 | 4,517,810 | | 2003 | 4,571,864 | | 2002 | 4,619,439 | | 2001 | 4,658,665 | | 2000 | 4,692,296 | | 1999 | 4,726,461 | | 1998 | 4,766,554 | | 1997 | 4,809,043 | | 1996 | 4,853,841 | | 1995 | 4,901,898 | | 1994 | 4,950,901 | | 1993 | 5,003,363 | | 1992 | 5,062,834 | | 1991 | 5,132,609 | | 1990 | 5,199,759 | | 1989 | 5,263,530 | | 1988 | 5,323,719 | | 1987 | 5,381,914 | | 1986 | 5,435,735 | | 1985 | 5,483,117 | | 1984 | 5,520,219 | | 1983 | 5,550,813 | | 1982 | 5,576,561 | | 1981 | 5,593,505 | | 1980 | 5,587,795 | | 1979 | 5,566,724 | | 1978 | 5,545,792 | | 1977 | 5,524,194 | | 1976 | 5,503,181 | | 1975 | 5,385,244 | | 1974 | 5,219,177 | | 1973 | 5,181,155 | | 1972 | 5,213,556 | | 1971 | 5,255,663 | | 1970 | 5,312,077 | | 1969 | 5,393,520 | | 1968 | 5,476,514 | | 1967 | 5,534,506 | | 1966 | 5,604,196 | | 1965 | 5,681,173 | | 1964 | 5,738,993 | | 1963 | 5,770,307 | | 1962 | 5,781,154 | | 1961 | 5,773,339 | | 1960 | 5,761,501 |
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