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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $11,727 | 1,570 | 1,570 |
| 2006 | $5,457 | 538 | 538 |
| 2007 | $13,176 | 1,310 | 1,310 |
| 2008 | $16,410 | 1,892 | 1,892 |
| 2009 | $14,026 | 1,376 | 1,376 |
| 2010 | $46,062 | 5,636 | 5,636 |
| 2011 | $58,159 | 33,158 | 33,158 |
Note: Quantity represents Weight in kilograms
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