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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $23,968 | 873 | 873 |
| 2006 | $36,651 | 1,625 | 1,625 |
| 2007 | $46,520 | 1,363 | 1,363 |
| 2008 | $59,344 | 23,006 | 23,006 |
| 2009 | $52,798 | 2,528 | 2,528 |
| 2010 | $45,429 | 3,204 | 3,204 |
| 2011 | $52,868 | 3,304 | 3,304 |
Note: Quantity represents Weight in kilograms
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