| Year | Value | | 2022 | 5,232,314 | | 2021 | 5,137,884 | | 2020 | 5,039,466 | | 2019 | 4,936,763 | | 2018 | 4,830,369 | | 2017 | 4,722,981 | | 2016 | 4,614,885 | | 2015 | 4,505,977 | | 2014 | 4,396,106 | | 2013 | 4,285,535 | | 2012 | 4,174,386 | | 2011 | 4,062,416 | | 2010 | 3,947,886 | | 2009 | 3,832,285 | | 2008 | 3,718,410 | | 2007 | 3,606,247 | | 2006 | 3,495,994 | | 2005 | 3,387,691 | | 2004 | 3,281,496 | | 2003 | 3,177,073 | | 2002 | 3,074,522 | | 2001 | 2,974,119 | | 2000 | 2,876,874 | | 1999 | 2,782,545 | | 1998 | 2,690,481 | | 1997 | 2,600,588 | | 1996 | 2,512,733 | | 1995 | 2,427,513 | | 1994 | 2,344,706 | | 1993 | 2,264,275 | | 1992 | 2,186,510 | | 1991 | 2,113,559 | | 1990 | 2,050,970 | | 1989 | 1,999,899 | | 1988 | 1,955,086 | | 1987 | 1,912,453 | | 1986 | 1,870,802 | | 1985 | 1,830,160 | | 1984 | 1,790,563 | | 1983 | 1,752,075 | | 1982 | 1,714,717 | | 1981 | 1,678,416 | | 1980 | 1,643,752 | | 1979 | 1,610,517 | | 1978 | 1,577,594 | | 1977 | 1,544,809 | | 1976 | 1,512,183 | | 1975 | 1,479,770 | | 1974 | 1,447,523 | | 1973 | 1,415,339 | | 1972 | 1,383,149 | | 1971 | 1,350,759 | | 1970 | 1,318,606 | | 1969 | 1,287,501 | | 1968 | 1,257,710 | | 1967 | 1,229,360 | | 1966 | 1,201,905 | | 1965 | 1,175,463 | | 1964 | 1,150,302 | | 1963 | 1,125,621 | | 1962 | 1,101,048 | | 1961 | 1,076,697 | | 1960 | 1,051,395 |
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