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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $28,091 | 14,498 | 14,498 |
| 2006 | $23,306 | 9,456 | 9,456 |
| 2007 | $26,637 | 9,504 | 9,504 |
| 2008 | $22,556 | 9,025 | 9,025 |
| 2009 | $23,355 | 9,204 | 9,204 |
| 2010 | $24,948 | 9,004 | 9,004 |
| 2011 | $804 | 534 | 534 |
Note: Quantity represents Weight in kilograms
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