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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $66,689,563 | 1,062,450,315 | 1,062,450,315 |
| 2006 | $78,096,685 | 1,003,247,240 | 1,003,247,240 |
| 2007 | $85,795,855 | 837,638,055 | 837,638,055 |
| 2008 | $159,382,206 | 1,012,368,709 | 1,012,368,709 |
| 2009 | $100,477,035 | 783,242,340 | 783,242,340 |
| 2010 | $89,555,589 | 586,155,080 | 586,155,080 |
| 2011 | $129,374,839 | 719,101,790 | 719,101,790 |
Note: Quantity represents Weight in kilograms
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