| Year | Value | | 2022 | 5,053,265 | | 2021 | 5,034,615 | | 2020 | 5,004,444 | | 2019 | 4,960,161 | | 2018 | 4,927,590 | | 2017 | 4,899,489 | | 2016 | 4,850,257 | | 2015 | 4,792,102 | | 2014 | 4,727,212 | | 2013 | 4,652,196 | | 2012 | 4,573,993 | | 2011 | 4,498,753 | | 2010 | 4,422,803 | | 2009 | 4,361,795 | | 2008 | 4,325,530 | | 2007 | 4,288,796 | | 2006 | 4,250,998 | | 2005 | 4,218,570 | | 2004 | 4,181,766 | | 2003 | 4,143,173 | | 2002 | 4,107,029 | | 2001 | 4,066,597 | | 2000 | 4,018,466 | | 1999 | 3,971,016 | | 1998 | 3,918,328 | | 1997 | 3,845,916 | | 1996 | 3,757,952 | | 1995 | 3,664,840 | | 1994 | 3,567,566 | | 1993 | 3,463,584 | | 1992 | 3,357,385 | | 1991 | 3,251,447 | | 1990 | 3,149,479 | | 1989 | 3,068,233 | | 1988 | 3,002,325 | | 1987 | 2,933,235 | | 1986 | 2,861,119 | | 1985 | 2,785,416 | | 1984 | 2,706,055 | | 1983 | 2,622,811 | | 1982 | 2,538,475 | | 1981 | 2,455,440 | | 1980 | 2,374,156 | | 1979 | 2,294,309 | | 1978 | 2,217,460 | | 1977 | 2,144,517 | | 1976 | 2,082,768 | | 1975 | 2,027,813 | | 1974 | 1,966,295 | | 1973 | 1,896,943 | | 1972 | 1,826,361 | | 1971 | 1,762,991 | | 1970 | 1,706,654 | | 1969 | 1,655,207 | | 1968 | 1,605,487 | | 1967 | 1,554,010 | | 1966 | 1,502,123 | | 1965 | 1,451,495 | | 1964 | 1,400,129 | | 1963 | 1,350,967 | | 1962 | 1,307,247 | | 1961 | 1,266,881 | | 1960 | 1,232,137 |
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