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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $4,839 | 21,760 | 21,760 |
| 2006 | $1,291 | 2,500 | 2,500 |
| 2007 | $4,867 | 22,300 | 22,300 |
| 2008 | $4,473 | 30,819 | 30,819 |
| 2009 | $1,284 | 5,316 | 5,316 |
| 2010 | $151 | 140 | 140 |
| 2011 | $54,549 | 1,948 | 1,948 |
Note: Quantity represents Weight in kilograms
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