| Year | Value | | 2022 | 1,202,133 | | 2021 | 1,184,640 | | 2020 | 1,188,070 | | 2019 | 1,192,113 | | 2018 | 1,196,746 | | 2017 | 1,202,356 | | 2016 | 1,210,568 | | 2015 | 1,224,679 | | 2014 | 1,255,560 | | 2013 | 1,294,247 | | 2012 | 1,334,545 | | 2011 | 1,369,267 | | 2010 | 1,394,025 | | 2009 | 1,397,933 | | 2008 | 1,383,702 | | 2007 | 1,361,955 | | 2006 | 1,338,460 | | 2005 | 1,311,970 | | 2004 | 1,285,357 | | 2003 | 1,256,038 | | 2002 | 1,221,704 | | 2001 | 1,184,316 | | 2000 | 1,150,126 | | 1999 | 1,119,602 | | 1998 | 1,094,565 | | 1997 | 1,077,193 | | 1996 | 1,058,451 | | 1995 | 1,027,947 | | 1994 | 988,352 | | 1993 | 945,657 | | 1992 | 898,672 | | 1991 | 849,787 | | 1990 | 808,974 | | 1989 | 773,579 | | 1988 | 736,535 | | 1987 | 703,714 | | 1986 | 676,594 | | 1985 | 659,961 | | 1984 | 649,155 | | 1983 | 642,062 | | 1982 | 640,448 | | 1981 | 641,959 | | 1980 | 644,979 | | 1979 | 647,790 | | 1978 | 649,309 | | 1977 | 646,524 | | 1976 | 641,420 | | 1975 | 636,456 | | 1974 | 631,719 | | 1973 | 627,631 | | 1972 | 624,531 | | 1971 | 621,115 | | 1970 | 602,417 | | 1969 | 587,790 | | 1968 | 571,716 | | 1967 | 556,397 | | 1966 | 544,129 | | 1965 | 535,458 | | 1964 | 530,380 | | 1963 | 526,621 | | 1962 | 522,105 | | 1961 | 515,569 | | 1960 | 506,893 |
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