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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $15,200 | 5,819 | 5,819 |
| 2006 | $13,612 | 1,593 | 1,593 |
| 2007 | $13,740 | 5,151 | 5,151 |
| 2008 | $21,370 | 6,582 | 6,582 |
| 2009 | $14,632 | 3,516 | 3,516 |
| 2010 | $8,764 | 2,485 | 2,485 |
| 2011 | $4,712 | 2,429 | 2,429 |
Note: Quantity represents Weight in kilograms
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