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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $581,646 | 229,253,810 | 229,253,810 |
| 2006 | $520,388 | 218,154,250 | 218,154,250 |
| 2007 | $5,302,685 | 1,319,655,392 | 1,319,655,392 |
| 2008 | $44,753,537 | 3,175,644,195 | 3,175,644,195 |
| 2009 | $17,626,202 | 642,850,493 | 642,850,493 |
| 2010 | $6,719,895 | 625,448,017 | 625,448,017 |
| 2011 | $3,095,586 | 223,047,656 | 223,047,656 |
Note: Quantity represents Weight in kilograms
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