| Year | Value | | 2022 | 825,969 | | 2021 | 826,520 | | 2020 | 825,086 | | 2019 | 821,480 | | 2018 | 814,738 | | 2017 | 804,861 | | 2016 | 792,079 | | 2015 | 777,749 | | 2014 | 769,764 | | 2013 | 771,445 | | 2012 | 777,612 | | 2011 | 787,879 | | 2010 | 802,847 | | 2009 | 816,579 | | 2008 | 826,667 | | 2007 | 838,878 | | 2006 | 855,070 | | 2005 | 871,868 | | 2004 | 887,665 | | 2003 | 904,261 | | 2002 | 925,670 | | 2001 | 949,787 | | 2000 | 972,239 | | 1999 | 992,720 | | 1998 | 1,011,164 | | 1997 | 1,027,560 | | 1996 | 1,038,551 | | 1995 | 1,042,156 | | 1994 | 1,032,073 | | 1993 | 1,012,204 | | 1992 | 992,997 | | 1991 | 975,687 | | 1990 | 961,050 | | 1989 | 948,779 | | 1988 | 937,063 | | 1987 | 925,286 | | 1986 | 913,949 | | 1985 | 901,914 | | 1984 | 890,102 | | 1983 | 878,045 | | 1982 | 865,344 | | 1981 | 855,764 | | 1980 | 858,564 | | 1979 | 875,868 | | 1978 | 907,939 | | 1977 | 967,531 | | 1976 | 1,038,296 | | 1975 | 1,098,426 | | 1974 | 1,150,583 | | 1973 | 1,190,630 | | 1972 | 1,208,497 | | 1971 | 1,204,661 | | 1970 | 1,183,029 | | 1969 | 1,148,570 | | 1968 | 1,111,514 | | 1967 | 1,062,463 | | 1966 | 1,007,007 | | 1965 | 968,579 | | 1964 | 940,990 | | 1963 | 925,483 | | 1962 | 927,392 | | 1961 | 921,836 | | 1960 | 899,083 |
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