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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $38,561 | 4,033 | 4,033 |
| 2006 | $34,687 | 3,884 | 3,884 |
| 2007 | $117,411 | 14,039 | 14,039 |
| 2008 | $105,464 | 13,775 | 13,775 |
| 2009 | $59,218 | 6,356 | 6,356 |
| 2010 | $40,857 | 3,758 | 3,758 |
| 2011 | $8,113 | 707 | 707 |
Note: Quantity represents Weight in kilograms
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