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| Year | Trade Value | Weight (kg) | Quantity |
| 2006 | $3,178,653 | 47,940,811 | 47,940,811 |
| 2007 | $18,142,747 | 66,460,546 | 66,460,546 |
| 2008 | $73,872,734 | 270,723,298 | 270,723,298 |
| 2009 | $125,321,926 | 505,681,969 | 505,681,969 |
| 2010 | $288,545,370 | 1,223,823,753 | 1,223,823,753 |
| 2011 | $574,551,568 | 2,102,276,391 | 2,102,276,391 |
Note: Quantity represents Weight in kilograms
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