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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $4,340 | 85,100 | 85,100 |
| 2006 | $42,929 | 1,022,241 | 1,022,241 |
| 2007 | $19,262 | 479,400 | 479,400 |
| 2008 | $9,945 | 261,400 | 261,400 |
| 2009 | $5,539 | 145,600 | 145,600 |
| 2010 | $1,733 | 39,000 | 39,000 |
| 2011 | $27,354 | 598,820 | 598,820 |
Note: Quantity represents Weight in kilograms
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