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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $8,384,000 | 64,443,590 | 64,443,590 |
| 2006 | $9,572,000 | 73,575,148 | 73,575,148 |
| 2007 | $19,155,000 | 110,214,152 | 110,214,152 |
| 2008 | $41,372,000 | 219,794,921 | 219,794,921 |
| 2009 | $13,810,000 | 41,779,404 | 41,779,404 |
| 2010 | $10,398,000 | 36,936,130 | 36,936,130 |
| 2011 | $14,484,000 | 66,843,378 | 66,843,378 |
Note: Quantity represents Weight in kilograms
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