| Year | Value | | 2022 | 2,475,656 | | 2021 | 2,413,776 | | 2020 | 2,354,435 | | 2019 | 2,292,066 | | 2018 | 2,228,876 | | 2017 | 2,166,879 | | 2016 | 2,107,128 | | 2015 | 2,051,089 | | 2014 | 1,997,313 | | 2013 | 1,943,993 | | 2012 | 1,890,770 | | 2011 | 1,838,470 | | 2010 | 1,787,754 | | 2009 | 1,733,306 | | 2008 | 1,680,825 | | 2007 | 1,644,448 | | 2006 | 1,621,073 | | 2005 | 1,603,447 | | 2004 | 1,595,055 | | 2003 | 1,587,690 | | 2002 | 1,565,135 | | 2001 | 1,530,261 | | 2000 | 1,491,882 | | 1999 | 1,453,940 | | 1998 | 1,418,589 | | 1997 | 1,386,043 | | 1996 | 1,355,129 | | 1995 | 1,324,479 | | 1994 | 1,293,169 | | 1993 | 1,261,017 | | 1992 | 1,228,859 | | 1991 | 1,198,143 | | 1990 | 1,168,489 | | 1989 | 1,139,179 | | 1988 | 1,110,889 | | 1987 | 1,084,051 | | 1986 | 1,058,751 | | 1985 | 1,034,465 | | 1984 | 1,010,336 | | 1983 | 989,768 | | 1982 | 969,618 | | 1981 | 946,071 | | 1980 | 922,061 | | 1979 | 897,907 | | 1978 | 874,157 | | 1977 | 850,407 | | 1976 | 826,578 | | 1975 | 802,846 | | 1974 | 779,211 | | 1973 | 755,645 | | 1972 | 732,573 | | 1971 | 711,175 | | 1970 | 691,855 | | 1969 | 674,756 | | 1968 | 660,121 | | 1967 | 647,569 | | 1966 | 635,004 | | 1965 | 621,308 | | 1964 | 607,650 | | 1963 | 593,871 | | 1962 | 580,402 | | 1961 | 568,856 | | 1960 | 560,346 |
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