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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $1,313 | 277 | 277 |
| 2006 | $23,503 | 517 | 517 |
| 2007 | $107,056 | 185,067 | 185,067 |
| 2008 | $312,119 | 441,128 | 441,128 |
| 2009 | $506,611 | 680,688 | 680,688 |
| 2010 | $509,813 | 650,443 | 650,443 |
| 2011 | $521,014 | 652,415 | 652,415 |
Note: Quantity represents Weight in kilograms
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