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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $267,314,213 | 2,052,572 | 2,052,572 |
| 2006 | $225,890,207 | 1,985,615 | 1,985,615 |
| 2007 | $291,073,985 | 4,219,444 | 4,219,444 |
| 2008 | $388,239,953 | 4,000,506 | 4,000,506 |
| 2009 | $268,204,495 | 1,964,535 | 1,964,535 |
| 2010 | $534,534,333 | 3,520,437 | 3,520,437 |
| 2011 | $685,025,541 | 5,740,442 | 5,740,442 |
Note: Quantity represents Weight in kilograms
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