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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $7,717,086 | 975,916,871 | 975,916,871 |
| 2006 | $13,092,891 | 1,965,138,600 | 1,965,138,600 |
| 2007 | $14,212,439 | 1,785,063,250 | 1,785,063,250 |
| 2008 | $12,561,552 | 879,923,286 | 879,923,286 |
| 2009 | $9,298,361 | 537,740,529 | 537,740,529 |
| 2010 | $14,874,120 | 573,257,550 | 573,257,550 |
Note: Quantity represents Weight in kilograms
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