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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $96,699,606 | 2,111,031,976 | 2,111,031,976 |
| 2006 | $85,339,132 | 1,631,649,024 | 1,631,649,024 |
| 2007 | $100,640,939 | 1,583,010,992 | 1,583,010,992 |
| 2008 | $187,601,306 | 2,692,424,904 | 2,692,424,904 |
| 2009 | $75,469,769 | 573,639,008 | 573,639,008 |
| 2010 | $14,812,316 | 110,952,000 | 110,952,000 |
| 2011 | $43,339,874 | 271,596,000 | 271,596,000 |
Note: Quantity represents Weight in kilograms
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