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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $474 | 1,076 | 1,076 |
| 2006 | $1,001 | 1,585 | 1,585 |
| 2007 | $15,387 | 16,581 | 16,581 |
| 2008 | $32,029 | 46,778 | 46,778 |
| 2009 | $2,493 | 2,495 | 2,495 |
| 2010 | $9,561 | 16,484 | 16,484 |
| 2011 | $3,346 | 3,489 | 3,489 |
Note: Quantity represents Weight in kilograms
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