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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $47,264,279 | 50,894,200 | 50,894,200 |
| 2006 | $48,138,173 | 47,983,900 | 47,983,900 |
| 2007 | $48,959,085 | 49,090,500 | 49,090,500 |
| 2008 | $37,800,009 | 34,238,300 | 34,238,300 |
| 2009 | $52,314,586 | 57,753,356 | 57,753,356 |
| 2010 | $35,775,040 | 38,593,509 | 38,593,509 |
| 2011 | $15,973,507 | 12,370,443 | 12,370,443 |
Note: Quantity represents Weight in kilograms
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