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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $11,248 | 10,539 | 10,539 |
| 2006 | $14,350 | 17,434 | 17,434 |
| 2007 | $54,126 | 136,512 | 136,512 |
| 2008 | $34,452 | 53,524 | 53,524 |
| 2009 | $124,126 | 214,430 | 214,430 |
| 2010 | $322,457 | 529,841 | 529,841 |
| 2011 | $190,283 | 290,445 | 290,445 |
Note: Quantity represents Weight in kilograms
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