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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $63,125,736 | 188,449,664 | 188,449,664 |
| 2006 | $79,838,998 | 212,787,500 | 212,787,500 |
| 2007 | $127,223,754 | 320,348,117 | 320,348,117 |
| 2008 | $128,831,441 | 248,555,314 | 248,555,314 |
| 2009 | $19,687,475 | 22,267,938 | 22,267,938 |
| 2010 | $147,603,250 | 272,232,460 | 272,232,460 |
Note: Quantity represents Weight in kilograms
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