| Year | Value | | 2022 | 9,975,594 | | 2021 | 9,590,371 | | 2020 | 9,216,068 | | 2019 | 8,871,689 | | 2018 | 8,527,492 | | 2017 | 8,186,314 | | 2016 | 7,864,690 | | 2015 | 7,538,750 | | 2014 | 7,209,591 | | 2013 | 6,893,579 | | 2012 | 6,584,839 | | 2011 | 6,279,961 | | 2010 | 5,981,621 | | 2009 | 5,709,148 | | 2008 | 5,451,401 | | 2007 | 5,195,716 | | 2006 | 4,936,838 | | 2005 | 4,668,640 | | 2004 | 4,398,160 | | 2003 | 4,158,901 | | 2002 | 3,965,011 | | 2001 | 3,798,764 | | 2000 | 3,662,915 | | 1999 | 3,561,641 | | 1998 | 3,491,485 | | 1997 | 3,438,061 | | 1996 | 3,389,046 | | 1995 | 3,352,915 | | 1994 | 3,326,695 | | 1993 | 3,297,304 | | 1992 | 3,250,115 | | 1991 | 3,181,013 | | 1990 | 3,109,821 | | 1989 | 3,023,102 | | 1988 | 2,941,758 | | 1987 | 2,857,035 | | 1986 | 2,772,372 | | 1985 | 2,694,125 | | 1984 | 2,621,468 | | 1983 | 2,553,180 | | 1982 | 2,489,075 | | 1981 | 2,416,062 | | 1980 | 2,336,336 | | 1979 | 2,257,777 | | 1978 | 2,177,882 | | 1977 | 2,096,074 | | 1976 | 2,008,738 | | 1975 | 1,928,063 | | 1974 | 1,867,487 | | 1973 | 1,823,862 | | 1972 | 1,790,051 | | 1971 | 1,762,449 | | 1970 | 1,736,063 | | 1969 | 1,711,316 | | 1968 | 1,689,348 | | 1967 | 1,668,121 | | 1966 | 1,644,562 | | 1965 | 1,619,632 | | 1964 | 1,590,694 | | 1963 | 1,558,547 | | 1962 | 1,524,232 | | 1961 | 1,488,094 | | 1960 | 1,455,069 |
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