| Year | Value | | 2021 | 4,765,088,216.7115 | | 2020 | 3,851,081,314.5912 | | 2019 | 3,935,862,767.232 | | 2018 | 4,869,805,056.3162 | | 2017 | 4,475,490,550.6654 | | 2016 | 4,842,453,709.8192 | | 2015 | 5,588,954,925.7809 | | 2014 | 6,820,270,088.8207 | | 2013 | 6,414,033,563.5967 | | 2012 | 5,048,084,606.4543 | | 2011 | 4,834,625,235.2203 | | 2010 | 2,497,127,734.7924 | | 2009 | 4,774,727,014.4977 | | 2008 | 6,061,088,437.7381 | | 2007 | 4,395,343,655.4673 | | 2006 | 3,073,073,522.8825 | | 2005 | 99,828,426.117961 | | 2000 | -79,303,323.352622 | | 1999 | 140,490,757.55913 | | 1998 | 85,429,256.824887 | | 1997 | 141,599,339.62142 | | 1996 | 85,554,784.927069 | | 1995 | 64,080,804.859753 | | 1994 | 57,291,007.761154 | | 1993 | 121,128,632.02865 | | 1992 | 124,768,847.36204 | | 1991 | 99,603,579.043896 | | 1990 | 93,044,155.477222 | | 1989 | 60,578,820.281871 | | 1988 | 74,463,048.035495 | | 1987 | 67,082,503.054848 | | 1986 | 53,968,196.841207 | | 1985 | 45,837,386.6976 | | 1984 | 36,100,897.226857 | | 1983 | 27,946,069.759898 | | 1982 | 18,705,837.93547 | | 1981 | 19,372,648.273448 | | 1980 | 38,470,804.961128 |
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