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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $11,206 | 1,685 | 1,685 |
| 2006 | $16,765 | 1,811 | 1,811 |
| 2007 | $37,062 | 3,101 | 3,101 |
| 2008 | $27,758 | 1,727 | 1,727 |
| 2009 | $19,842 | 1,497 | 1,497 |
| 2010 | $38,511 | 2,326 | 2,326 |
| 2011 | $10,282 | 1,356 | 1,356 |
Note: Quantity represents Weight in kilograms
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