| Year | Value | | 2021 | 2,279,974,770.123 | | 2020 | 1,771,894,087.0245 | | 2019 | 4,455,690,101.0283 | | 2018 | 4,293,921,426.1293 | | 2017 | 4,025,616,011.7703 | | 2016 | 3,760,774,350 | | 2015 | 3,525,115,153 | | 2014 | 3,285,080,769.4759 | | 2013 | 3,100,200,780.1727 | | 2012 | 2,943,247,912.5649 | | 2011 | 2,833,214,050.1821 | | 2010 | 2,669,414,339.2099 | | 2009 | 2,249,728,546 | | 2008 | 2,208,218,737 | | 2007 | 2,209,136,496 | | 2006 | 2,072,413,898 | | 2005 | 1,969,590,799 | | 2004 | 1,888,695,284 | | 2003 | 1,665,309,283 | | 2002 | 1,627,404,873 | | 2001 | 1,655,230,214 | | 2000 | 1,674,064,712 | | 1999 | 1,562,256,300 | | 1998 | 1,466,961,780 | | 1997 | 1,455,104,192 | | 1996 | 1,390,963,704 | | 1995 | 1,302,891,640.1 | | 1994 | 1,233,233,404 | | 1993 | 1,142,265,216 | | 1992 | 1,145,436,692 | | 1991 | 1,133,228,204 | | 1990 | 1,024,976,616 | | 1989 | 983,208,800 | | 1988 | 953,896,012 | | 1987 | 904,838,104 | | 1986 | 842,594,296 | | 1985 | 783,198,104 | | 1984 | 732,410,288 | | 1983 | 685,101,596 | | 1982 | 654,482,108 | | 1981 | 640,619,400 | | 1980 | 641,872,888 | | 1979 | 648,400,600 | | 1978 | 576,090,004 | | 1977 | 513,269,292 | | 1976 | 471,773,396 | | 1975 | 432,276,500 | | 1974 | 421,145,200 | | 1973 | 401,571,800 | | 1971 | 331,604,904 | | 1970 | 310,441,392 |
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