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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $33,488 | 1,896 | 1,896 |
| 2006 | $29,456 | 1,845 | 1,845 |
| 2007 | $28,251 | 1,486 | 1,486 |
| 2008 | $35,421 | 1,441 | 1,441 |
| 2009 | $22,892 | 1,740 | 1,740 |
| 2010 | $32,443 | 2,753 | 2,753 |
| 2011 | $25,900 | 1,626 | 1,626 |
Note: Quantity represents Weight in kilograms
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