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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $9,998 | 895 | 895 |
| 2006 | $22,965 | 2,011 | 2,011 |
| 2007 | $26,709 | 2,348 | 2,348 |
| 2008 | $38,724 | 4,221 | 4,221 |
| 2009 | $23,283 | 5,272 | 5,272 |
| 2010 | $52,230 | 12,659 | 12,659 |
| 2011 | $33,383 | 4,740 | 4,740 |
Note: Quantity represents Weight in kilograms
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