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| Year | Trade Value | Weight (kg) | Quantity |
| 2006 | $198,694,314 | 722,118,581 | 722,118,581 |
| 2007 | $254,773,891 | 801,961,784 | 801,961,784 |
| 2008 | $139,743,787 | 439,311,987 | 439,311,987 |
| 2009 | $79,444,354 | 74,577,121 | 74,577,121 |
| 2010 | $68,061,239 | 49,117,459 | 49,117,459 |
Note: Quantity represents Weight in kilograms
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