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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $19,096 | 4,691 | 4,691 |
| 2006 | $32,498 | 459 | 459 |
| 2007 | $27,402 | 6,770 | 6,770 |
| 2008 | $80,262 | 32,830 | 32,830 |
| 2009 | $78,329 | 6,097 | 6,097 |
| 2010 | $18,105 | 3,319 | 3,319 |
| 2011 | $22,194 | 4,601 | 4,601 |
Note: Quantity represents Weight in kilograms
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