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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $3,761 | 359 | 359 |
| 2006 | $13,872 | 1,403 | 1,403 |
| 2007 | $12,146 | 1,040 | 1,040 |
| 2008 | $17,634 | 1,511 | 1,511 |
| 2009 | $24,630 | 2,019 | 2,019 |
| 2010 | $27,285 | 2,561 | 2,561 |
| 2011 | $31,226 | 3,309 | 3,309 |
Note: Quantity represents Weight in kilograms
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