| Year | Value | | 2022 | 5,404,538 | | 2021 | 5,320,584 | | 2020 | 5,248,072 | | 2019 | 5,167,140 | | 2018 | 5,139,223 | | 2017 | 5,269,584 | | 2016 | 5,472,936 | | 2015 | 5,536,196 | | 2014 | 5,545,556 | | 2013 | 5,491,442 | | 2012 | 5,287,401 | | 2011 | 5,056,279 | | 2010 | 4,789,793 | | 2009 | 4,544,755 | | 2008 | 4,339,678 | | 2007 | 4,134,132 | | 2006 | 3,937,316 | | 2005 | 3,751,112 | | 2004 | 3,575,657 | | 2003 | 3,410,677 | | 2002 | 3,255,319 | | 2001 | 3,107,655 | | 2000 | 2,965,961 | | 1999 | 2,832,469 | | 1998 | 2,759,850 | | 1997 | 2,709,351 | | 1996 | 2,634,715 | | 1995 | 2,571,132 | | 1994 | 2,492,420 | | 1993 | 2,433,008 | | 1992 | 2,409,441 | | 1991 | 2,369,474 | | 1990 | 2,314,069 | | 1989 | 2,293,854 | | 1988 | 2,347,479 | | 1987 | 2,389,494 | | 1986 | 2,356,553 | | 1985 | 2,301,392 | | 1984 | 2,250,675 | | 1983 | 2,201,161 | | 1982 | 2,148,649 | | 1981 | 2,095,305 | | 1980 | 2,043,099 | | 1979 | 1,992,097 | | 1978 | 1,942,204 | | 1977 | 1,893,227 | | 1976 | 1,845,285 | | 1975 | 1,798,414 | | 1974 | 1,752,462 | | 1973 | 1,707,472 | | 1972 | 1,668,881 | | 1971 | 1,636,818 | | 1970 | 1,613,595 | | 1969 | 1,599,501 | | 1968 | 1,585,597 | | 1967 | 1,571,946 | | 1966 | 1,560,303 | | 1965 | 1,545,149 | | 1964 | 1,521,054 | | 1963 | 1,498,458 | | 1962 | 1,480,518 | | 1961 | 1,462,020 | | 1960 | 1,444,785 |
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