| Year | Value | | 2022 | 1,283,511 | | 2021 | 1,283,231 | | 2020 | 1,285,727 | | 2019 | 1,280,710 | | 2018 | 1,269,234 | | 2017 | 1,264,861 | | 2016 | 1,274,931 | | 2015 | 1,303,522 | | 2014 | 1,349,927 | | 2013 | 1,417,131 | | 2012 | 1,502,665 | | 2011 | 1,594,126 | | 2010 | 1,689,579 | | 2009 | 1,786,507 | | 2008 | 1,867,446 | | 2007 | 1,909,614 | | 2006 | 1,928,793 | | 2005 | 1,939,154 | | 2004 | 1,925,783 | | 2003 | 1,890,691 | | 2002 | 1,836,104 | | 2001 | 1,790,395 | | 2000 | 1,765,556 | | 1999 | 1,742,219 | | 1998 | 1,720,451 | | 1997 | 1,702,030 | | 1996 | 1,684,817 | | 1995 | 1,668,328 | | 1994 | 1,655,877 | | 1993 | 1,642,193 | | 1992 | 1,615,726 | | 1991 | 1,582,907 | | 1990 | 1,559,438 | | 1989 | 1,539,111 | | 1988 | 1,516,339 | | 1987 | 1,496,862 | | 1986 | 1,471,281 | | 1985 | 1,436,613 | | 1984 | 1,397,308 | | 1983 | 1,355,615 | | 1982 | 1,318,032 | | 1981 | 1,288,485 | | 1980 | 1,269,537 | | 1979 | 1,263,820 | | 1978 | 1,271,666 | | 1977 | 1,279,022 | | 1976 | 1,277,662 | | 1975 | 1,277,419 | | 1974 | 1,256,414 | | 1973 | 1,215,977 | | 1972 | 1,173,424 | | 1971 | 1,121,923 | | 1970 | 1,096,967 | | 1969 | 1,067,108 | | 1968 | 1,024,833 | | 1967 | 1,018,867 | | 1966 | 1,053,129 | | 1965 | 1,078,407 | | 1964 | 1,113,686 | | 1963 | 1,160,116 | | 1962 | 1,189,131 | | 1961 | 1,209,369 | | 1960 | 1,223,807 |
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