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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $8,402 | 1,490 | 1,490 |
| 2006 | $34,324 | 6,838 | 6,838 |
| 2007 | $57,571 | 12,644 | 12,644 |
| 2008 | $117,086 | 17,394 | 17,394 |
| 2009 | $23,404 | 3,217 | 3,217 |
| 2010 | $18,674 | 2,245 | 2,245 |
| 2011 | $28,368 | 3,587 | 3,587 |
Note: Quantity represents Weight in kilograms
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