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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $26,335 | 1,298 | 1,298 |
| 2006 | $24,465 | 2,483 | 2,483 |
| 2007 | $28,450 | 2,390 | 2,390 |
| 2008 | $30,614 | 4,594 | 4,594 |
| 2009 | $11,891 | 798 | 798 |
| 2010 | $18,813 | 1,383 | 1,383 |
| 2011 | $43,304 | 4,658 | 4,658 |
Note: Quantity represents Weight in kilograms
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