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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $9,855 | 6,552 | 6,552 |
| 2006 | $13,530 | 5,644 | 5,644 |
| 2007 | $44,111 | 30,383 | 30,383 |
| 2008 | $52,145 | 14,428 | 14,428 |
| 2009 | $31,880 | 8,361 | 8,361 |
| 2010 | $51,701 | 46,952 | 46,952 |
| 2011 | $49,404 | 16,166 | 16,166 |
Note: Quantity represents Weight in kilograms
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