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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $138,720,988 | 200,700,470 | 200,700,470 |
| 2006 | $129,675,228 | 185,177,479 | 185,177,479 |
| 2007 | $146,259,836 | 164,073,314 | 164,073,314 |
| 2008 | $159,536,621 | 126,922,007 | 126,922,007 |
| 2009 | $78,525,445 | 77,956,426 | 77,956,426 |
| 2010 | $174,643,949 | 142,660,999 | 142,660,999 |
| 2011 | $211,213,353 | 129,006,863 | 129,006,863 |
Note: Quantity represents Weight in kilograms
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