| Year | Value | | 2022 | 5,903,037 | | 2021 | 5,856,733 | | 2020 | 5,831,404 | | 2019 | 5,814,422 | | 2018 | 5,793,636 | | 2017 | 5,764,980 | | 2016 | 5,728,010 | | 2015 | 5,683,483 | | 2014 | 5,643,475 | | 2013 | 5,614,932 | | 2012 | 5,591,572 | | 2011 | 5,570,572 | | 2010 | 5,547,683 | | 2009 | 5,523,095 | | 2008 | 5,493,621 | | 2007 | 5,461,438 | | 2006 | 5,437,272 | | 2005 | 5,419,432 | | 2004 | 5,404,523 | | 2003 | 5,390,574 | | 2002 | 5,375,931 | | 2001 | 5,358,783 | | 2000 | 5,339,616 | | 1999 | 5,321,799 | | 1998 | 5,304,219 | | 1997 | 5,284,991 | | 1996 | 5,263,074 | | 1995 | 5,233,373 | | 1994 | 5,206,180 | | 1993 | 5,188,628 | | 1992 | 5,171,370 | | 1991 | 5,154,298 | | 1990 | 5,140,939 | | 1989 | 5,132,594 | | 1988 | 5,129,516 | | 1987 | 5,127,024 | | 1986 | 5,120,534 | | 1985 | 5,113,691 | | 1984 | 5,111,619 | | 1983 | 5,114,297 | | 1982 | 5,117,810 | | 1981 | 5,121,572 | | 1980 | 5,123,027 | | 1979 | 5,116,801 | | 1978 | 5,104,248 | | 1977 | 5,088,419 | | 1976 | 5,072,596 | | 1975 | 5,059,862 | | 1974 | 5,045,297 | | 1973 | 5,021,861 | | 1972 | 4,991,596 | | 1971 | 4,963,126 | | 1970 | 4,928,757 | | 1969 | 4,891,860 | | 1968 | 4,864,883 | | 1967 | 4,835,354 | | 1966 | 4,797,381 | | 1965 | 4,759,012 | | 1964 | 4,722,072 | | 1963 | 4,684,483 | | 1962 | 4,647,727 | | 1961 | 4,611,687 | | 1960 | 4,579,603 |
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