| Year | Value | | 2022 | 1,349,860 | | 2021 | 1,320,643 | | 2020 | 1,308,140 | | 2019 | 1,287,793 | | 2018 | 1,265,371 | | 2017 | 1,249,394 | | 2016 | 1,239,118 | | 2015 | 1,230,187 | | 2014 | 1,223,900 | | 2013 | 1,208,995 | | 2012 | 1,188,879 | | 2011 | 1,166,874 | | 2010 | 1,146,305 | | 2009 | 1,125,393 | | 2008 | 1,105,914 | | 2007 | 1,090,627 | | 2006 | 1,083,447 | | 2005 | 1,083,436 | | 2004 | 1,088,506 | | 2003 | 1,095,979 | | 2002 | 1,104,500 | | 2001 | 1,110,883 | | 2000 | 1,123,469 | | 1999 | 1,151,785 | | 1998 | 1,193,172 | | 1997 | 1,236,475 | | 1996 | 1,272,456 | | 1995 | 1,296,883 | | 1994 | 1,306,362 | | 1993 | 1,303,075 | | 1992 | 1,294,636 | | 1991 | 1,281,471 | | 1990 | 1,262,202 | | 1989 | 1,235,965 | | 1988 | 1,203,924 | | 1987 | 1,174,684 | | 1986 | 1,142,569 | | 1985 | 1,112,378 | | 1984 | 1,083,007 | | 1983 | 1,058,747 | | 1982 | 1,043,807 | | 1981 | 1,027,691 | | 1980 | 998,571 | | 1979 | 959,314 | | 1978 | 921,158 | | 1977 | 877,958 | | 1976 | 830,288 | | 1975 | 788,220 | | 1974 | 750,823 | | 1973 | 714,846 | | 1972 | 683,069 | | 1971 | 659,574 | | 1970 | 633,306 | | 1969 | 623,290 | | 1968 | 618,034 | | 1967 | 614,264 | | 1966 | 611,491 | | 1965 | 610,228 | | 1964 | 611,431 | | 1963 | 614,692 | | 1962 | 620,401 | | 1961 | 626,301 | | 1960 | 629,986 |
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