| Year | Value | | 2022 | 2,138,525 | | 2021 | 2,107,340 | | 2020 | 2,073,064 | | 2019 | 2,035,640 | | 2018 | 1,999,083 | | 2017 | 1,964,587 | | 2016 | 1,933,456 | | 2015 | 1,909,830 | | 2014 | 1,892,495 | | 2013 | 1,874,021 | | 2012 | 1,851,538 | | 2011 | 1,824,647 | | 2010 | 1,791,063 | | 2009 | 1,751,550 | | 2008 | 1,710,604 | | 2007 | 1,670,737 | | 2006 | 1,633,137 | | 2005 | 1,598,871 | | 2004 | 1,569,074 | | 2003 | 1,543,600 | | 2002 | 1,520,797 | | 2001 | 1,498,278 | | 2000 | 1,473,951 | | 1999 | 1,445,508 | | 1998 | 1,411,396 | | 1997 | 1,372,723 | | 1996 | 1,331,009 | | 1995 | 1,288,276 | | 1994 | 1,245,285 | | 1993 | 1,202,881 | | 1992 | 1,161,963 | | 1991 | 1,121,823 | | 1990 | 1,082,955 | | 1989 | 1,047,278 | | 1988 | 1,014,863 | | 1987 | 985,589 | | 1986 | 960,224 | | 1985 | 938,348 | | 1984 | 919,306 | | 1983 | 902,635 | | 1982 | 886,730 | | 1981 | 870,884 | | 1980 | 854,429 | | 1979 | 836,753 | | 1978 | 818,516 | | 1977 | 800,237 | | 1976 | 781,573 | | 1975 | 760,790 | | 1974 | 737,252 | | 1973 | 711,902 | | 1972 | 685,260 | | 1971 | 658,284 | | 1970 | 632,977 | | 1969 | 610,560 | | 1968 | 590,720 | | 1967 | 573,170 | | 1966 | 557,650 | | 1965 | 543,901 | | 1964 | 531,234 | | 1963 | 519,102 | | 1962 | 507,332 | | 1961 | 495,630 | | 1960 | 483,890 |
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