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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $27,836,466 | 139,390,000 | 139,390,000 |
| 2006 | $31,817,142 | 166,603,847 | 166,603,847 |
| 2007 | $24,737,080 | 104,448,423 | 104,448,423 |
| 2008 | $18,352,795 | 64,540,994 | 64,540,994 |
| 2010 | $9,650,582 | 33,304,268 | 33,304,268 |
Note: Quantity represents Weight in kilograms
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