Year | Value | 2021 | 9,946,993.382 | 2020 | 8,751,517.8654 | 2019 | 15,584,884.005128 | 2018 | 15,276,297.006305 | 2017 | 14,403,021.138 | 2016 | 13,594,565 | 2015 | 12,861,795 | 2014 | 12,224,523.256578 | 2013 | 11,372,493.908309 | 2012 | 10,601,539.959699 | 2011 | 10,080,702.725144 | 2010 | 9,337,292.2932789 | 2009 | 7,497,275 | 2008 | 7,102,413 | 2007 | 6,990,994 | 2006 | 6,352,567 | 2005 | 5,846,449 | 2004 | 5,519,366 | 2003 | 4,891,195 | 2002 | 4,965,837 | 2001 | 5,121,901 | 2000 | 4,634,347 | 1999 | 4,649,100 | 1998 | 4,528,100 | 1997 | 4,539,500 | 1996 | 4,394,400 | 1995 | 4,267,900 | 1994 | 4,200,900 | 1993 | 4,074,900 | 1992 | 3,071,500 | 1991 | 2,899,700 | 1990 | 2,909,000 | 1989 | 2,855,700 | 1988 | 2,838,600 | 1987 | 2,770,000 | 1986 | 2,679,900 | 1985 | 2,625,500 | 1984 | 2,613,400 | 1983 | 2,453,300 | 1982 | 2,292,700 | 1981 | 2,175,500 | 1980 | 2,146,700 | 1979 | 2,057,600 | 1978 | 1,901,500 | 1977 | 1,860,200 | 1976 | 1,870,400 | 1975 | 1,758,800 | 1974 | 1,633,000 |
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