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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $4,411 | 2,027 | 2,027 |
| 2006 | $304 | 17 | 17 |
| 2007 | $1,012 | 192 | 192 |
| 2008 | $15,243 | 27,080 | 27,080 |
| 2009 | $27,971 | 51,305 | 51,305 |
| 2010 | $74,498 | 136,023 | 136,023 |
| 2011 | $65,738 | 108,041 | 108,041 |
Note: Quantity represents Weight in kilograms
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