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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $15,476 | 12,720 | 12,720 |
| 2006 | $51,653 | 17,422 | 17,422 |
| 2007 | $22,540 | 9,384 | 9,384 |
| 2008 | $46,385 | 11,055 | 11,055 |
| 2009 | $9,656 | 2,760 | 2,760 |
| 2010 | $28,307 | 13,665 | 13,665 |
| 2011 | $5,988 | 1,243 | 1,243 |
Note: Quantity represents Weight in kilograms
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