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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $2,522 | 964 | 964 |
| 2006 | $12,798 | 3,267 | 3,267 |
| 2007 | $7,354 | 1,287 | 1,287 |
| 2008 | $18,839 | 6,049 | 6,049 |
| 2009 | $40,705 | 12,546 | 12,546 |
| 2010 | $47,714 | 14,589 | 14,589 |
| 2011 | $72,285 | 28,029 | 28,029 |
Note: Quantity represents Weight in kilograms
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