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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $26,957,477 | 450,986,979 | 450,986,979 |
| 2006 | $23,165,609 | 394,044,366 | 394,044,366 |
| 2007 | $33,656,976 | 474,840,027 | 474,840,027 |
| 2008 | $104,959,516 | 367,660,955 | 367,660,955 |
| 2009 | $7,251,582 | 61,525,040 | 61,525,040 |
| 2010 | $16,391,725 | 150,895,313 | 150,895,313 |
| 2011 | $15,398,931 | 109,244,596 | 109,244,596 |
Note: Quantity represents Weight in kilograms
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