| Year | Value | | 2022 | 3,677,170 | | 2021 | 3,654,110 | | 2020 | 3,672,502 | | 2019 | 3,699,205 | | 2018 | 3,727,239 | | 2017 | 3,808,563 | | 2016 | 3,941,358 | | 2015 | 4,107,246 | | 2014 | 4,376,140 | | 2013 | 4,723,396 | | 2012 | 5,029,856 | | 2011 | 5,122,223 | | 2010 | 4,957,102 | | 2009 | 4,679,250 | | 2008 | 4,393,733 | | 2007 | 4,140,433 | | 2006 | 4,071,642 | | 2005 | 4,181,394 | | 2004 | 4,198,822 | | 2003 | 4,086,071 | | 2002 | 3,961,785 | | 2001 | 3,855,087 | | 2000 | 3,777,204 | | 1999 | 3,762,480 | | 1998 | 3,777,561 | | 1997 | 3,757,291 | | 1996 | 3,698,436 | | 1995 | 3,625,646 | | 1994 | 3,559,601 | | 1993 | 3,496,332 | | 1992 | 3,428,268 | | 1991 | 3,357,177 | | 1990 | 3,275,749 | | 1989 | 3,168,245 | | 1988 | 3,018,361 | | 1987 | 2,831,669 | | 1986 | 2,618,775 | | 1985 | 2,419,058 | | 1984 | 2,246,862 | | 1983 | 2,107,752 | | 1982 | 2,019,532 | | 1981 | 1,975,184 | | 1980 | 1,945,234 | | 1979 | 1,935,583 | | 1978 | 1,949,752 | | 1977 | 1,958,515 | | 1976 | 1,954,580 | | 1975 | 1,939,301 | | 1974 | 1,915,955 | | 1973 | 1,889,143 | | 1972 | 1,860,655 | | 1971 | 1,818,914 | | 1970 | 1,752,515 | | 1969 | 1,704,922 | | 1968 | 1,663,354 | | 1967 | 1,634,408 | | 1966 | 1,622,372 | | 1965 | 1,622,617 | | 1964 | 1,610,037 | | 1963 | 1,582,891 | | 1962 | 1,541,327 | | 1961 | 1,488,899 | | 1960 | 1,437,359 |
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