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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $4,546 | 1,393 | 1,393 |
| 2006 | $9,335 | 2,860 | 2,860 |
| 2007 | $15,634 | 41,238 | 41,238 |
| 2008 | $13,411 | 38,457 | 38,457 |
| 2009 | $16,166 | 40,120 | 40,120 |
| 2010 | $19,751 | 60,440 | 60,440 |
| 2011 | $16,731 | 79,364 | 79,364 |
Note: Quantity represents Weight in kilograms
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