Year | Value | 2022 | 716,566 | 2021 | 657,471 | 2020 | 622,872 | 2019 | 599,160 | 2018 | 584,559 | 2017 | 578,358 | 2016 | 578,995 | 2015 | 586,269 | 2014 | 601,275 | 2013 | 622,251 | 2012 | 647,152 | 2011 | 675,027 | 2010 | 702,205 | 2009 | 726,775 | 2008 | 745,161 | 2007 | 761,034 | 2006 | 775,084 | 2005 | 779,471 | 2004 | 774,101 | 2003 | 759,547 | 2002 | 738,866 | 2001 | 716,070 | 2000 | 694,973 | 1999 | 679,675 | 1998 | 675,147 | 1997 | 680,875 | 1996 | 689,708 | 1995 | 700,992 | 1994 | 717,899 | 1993 | 730,389 | 1992 | 733,739 | 1991 | 735,141 | 1990 | 732,143 | 1989 | 730,440 | 1988 | 738,252 | 1987 | 718,481 | 1986 | 703,732 | 1985 | 702,085 | 1984 | 713,288 | 1983 | 730,483 | 1982 | 749,101 | 1981 | 766,771 | 1980 | 781,781 | 1979 | 790,485 | 1978 | 790,656 | 1977 | 781,591 | 1976 | 762,379 | 1975 | 734,168 | 1974 | 701,852 | 1973 | 668,940 | 1972 | 638,017 | 1971 | 612,293 | 1970 | 592,017 | 1969 | 574,024 | 1968 | 554,092 | 1967 | 529,859 | 1966 | 499,376 | 1965 | 449,846 | 1964 | 383,730 | 1963 | 319,492 | 1962 | 274,548 | 1961 | 256,821 | 1960 | 272,810 |
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