Year | Value | 2022 | 1,688,989 | 2021 | 1,627,926 | 2020 | 1,553,254 | 2019 | 1,469,806 | 2018 | 1,397,693 | 2017 | 1,330,112 | 2016 | 1,267,829 | 2015 | 1,219,495 | 2014 | 1,158,318 | 2013 | 1,086,634 | 2012 | 1,027,992 | 2011 | 959,517 | 2010 | 910,086 | 2009 | 889,280 | 2008 | 856,319 | 2007 | 865,266 | 2006 | 880,567 | 2005 | 840,644 | 2004 | 808,281 | 2003 | 781,156 | 2002 | 727,744 | 2001 | 685,289 | 2000 | 683,106 | 1999 | 675,799 | 1998 | 651,031 | 1997 | 628,391 | 1996 | 606,319 | 1995 | 583,694 | 1994 | 550,778 | 1993 | 499,961 | 1992 | 430,870 | 1991 | 383,836 | 1990 | 381,729 | 1989 | 380,455 | 1988 | 369,346 | 1987 | 365,866 | 1986 | 368,582 | 1985 | 368,308 | 1984 | 355,662 | 1983 | 342,930 | 1982 | 345,621 | 1981 | 380,072 | 1980 | 423,352 | 1979 | 441,522 | 1978 | 446,507 | 1977 | 447,399 | 1976 | 448,697 | 1975 | 448,997 | 1974 | 443,985 | 1973 | 432,399 | 1972 | 417,756 | 1971 | 402,960 | 1970 | 389,290 | 1969 | 377,444 | 1968 | 368,062 | 1967 | 360,591 | 1966 | 354,002 | 1965 | 347,398 | 1964 | 340,660 | 1963 | 333,707 | 1962 | 326,338 | 1961 | 319,181 | 1960 | 312,770 |
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