| Year | Value | | 2021 | 666,153,000 | | 2020 | 369,501,000 | | 2019 | 926,737,000 | | 2018 | 889,024,000 | | 2017 | 849,403,000 | | 2016 | 824,039,000 | | 2015 | 798,222,000 | | 2014 | 762,710,000 | | 2013 | 743,171,000 | | 2012 | 736,699,000 | | 2011 | 730,796,000 | | 2010 | 720,497,000 | | 2009 | 679,423,408 | | 2008 | 701,779,551 | | 2007 | 744,302,310 | | 2006 | 725,530,965 | | 2005 | 720,547,738 | | 2004 | 678,110,608 | | 2003 | 588,997,110 | | 2002 | 598,410,415 | | 2001 | 622,187,846 | | 2000 | 665,327,414 | | 1999 | 634,364,608 | | 1998 | 588,170,880 | | 1997 | 590,571,392 | | 1996 | 571,072,000 | | 1995 | 533,512,096 | | 1994 | 514,924,000 | | 1993 | 469,926,112 | | 1992 | 466,964,992 | | 1991 | 452,015,904 | | 1990 | 464,574,016 | | 1989 | 453,161,504 | | 1988 | 454,202,912 | | 1987 | 441,832,704 | | 1986 | 414,554,496 | | 1985 | 372,059,104 | | 1984 | 340,191,488 | | 1983 | 315,600,096 | | 1982 | 290,992,608 | | 1981 | 281,086,400 | | 1980 | 295,329,088 | | 1979 | 313,624,000 | | 1978 | 273,025,504 | | 1977 | 240,144,992 | | 1976 | 223,017,296 | | 1975 | 204,900,400 | | 1974 | 207,612,400 | | 1973 | 202,309,200 | | 1972 | 191,325,408 | | 1971 | 174,143,104 | | 1970 | 163,448,992 |
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