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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $162,707 | 25,446 | 25,446 |
| 2006 | $125,962 | 14,535 | 14,535 |
| 2007 | $124,458 | 14,597 | 14,597 |
| 2008 | $111,929 | 8,262 | 8,262 |
| 2009 | $44,274 | 1,347 | 1,347 |
| 2010 | $32,510 | 3,069 | 3,069 |
| 2011 | $34,032 | 2,041 | 2,041 |
Note: Quantity represents Weight in kilograms
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