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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $9,573 | 4,160 | 4,160 |
| 2006 | $12,919 | 6,892 | 6,892 |
| 2007 | $3,125 | 2,150 | 2,150 |
| 2008 | $11,254 | 11,281 | 11,281 |
| 2009 | $3,396 | 2,991 | 2,991 |
| 2010 | $19,538 | 43,552 | 43,552 |
| 2011 | $6,462 | 4,415 | 4,415 |
Note: Quantity represents Weight in kilograms
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