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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $7,334 | 9,628 | 9,628 |
| 2006 | $12,060 | 11,345 | 11,345 |
| 2007 | $19,500 | 14,446 | 14,446 |
| 2008 | $29,588 | 46,272 | 46,272 |
| 2009 | $18,512 | 39,663 | 39,663 |
| 2010 | $2,172 | 3,320 | 3,320 |
| 2011 | $10,473 | 4,539 | 4,539 |
Note: Quantity represents Weight in kilograms
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