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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $90,839,972 | 1,877,610,581 | 1,877,610,581 |
| 2006 | $121,701,616 | 2,441,437,092 | 2,441,437,092 |
| 2007 | $88,758,494 | 1,628,430,849 | 1,628,430,849 |
| 2008 | $126,080,673 | 1,596,436,135 | 1,596,436,135 |
| 2009 | $83,186,180 | 961,918,909 | 961,918,909 |
| 2010 | $96,762,483 | 1,303,626,714 | 1,303,626,714 |
| 2011 | $125,920,970 | 1,324,601,371 | 1,324,601,371 |
Note: Quantity represents Weight in kilograms
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