Year | Value | 2021 | 1,087,594.114 | 2020 | 811,860.46 | 2019 | 1,844,219.272 | 2018 | 1,812,409.7535302 | 2017 | 1,780,821.468 | 2016 | 1,691,849 | 2015 | 1,561,886 | 2014 | 1,501,061.1416164 | 2013 | 1,427,157.5 | 2012 | 1,353,694.091938 | 2011 | 1,292,819.1501627 | 2010 | 1,267,722.2842384 | 2009 | 1,003,079 | 2008 | 680,702 | 2007 | 707,006 | 2006 | 648,841 | 2005 | 590,992 | 2004 | 701,240 | 2003 | 683,657 | 2002 | 621,484 | 2001 | 665,244 | 2000 | 613,217 | 1999 | 571,700 | 1998 | 535,600 | 1997 | 545,200 | 1996 | 519,600 | 1995 | 483,000 | 1994 | 491,800 | 1993 | 467,800 | 1992 | 441,300 | 1991 | 385,000 | 1990 | 415,100 | 1989 | 414,200 | 1988 | 406,400 | 1987 | 381,200 | 1986 | 389,900 | 1985 | 382,900 | 1984 | 394,100 | 1983 | 389,900 | 1982 | 357,800 | 1981 | 361,800 | 1980 | 353,100 | 1979 | 341,700 | 1978 | 341,300 | 1977 | 311,300 | 1976 | 284,900 | 1975 | 242,100 | 1974 | 232,400 | 1973 | 201,500 | 1972 | 184,900 | 1971 | 174,900 | 1970 | 157,700 |
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