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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $8,398 | 4,447 | 4,447 |
| 2006 | $11,891 | 2,138 | 2,138 |
| 2007 | $26,398 | 36,843 | 36,843 |
| 2008 | $16,907 | 2,559 | 2,559 |
| 2009 | $11,046 | 2,421 | 2,421 |
| 2010 | $18,139 | 3,368 | 3,368 |
| 2011 | $10,385 | 3,993 | 3,993 |
Note: Quantity represents Weight in kilograms
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