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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $169,077 | 8,307 | 8,307 |
| 2006 | $136,141 | 4,281 | 4,281 |
| 2007 | $104,739 | 2,897 | 2,897 |
| 2008 | $222,024 | 2,551 | 2,551 |
| 2009 | $105,941 | 2,020 | 2,020 |
| 2010 | $57,740 | 1,216 | 1,216 |
| 2011 | $93,194 | 851 | 851 |
Note: Quantity represents Weight in kilograms
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