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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $96,445,382 | 1,148,031,180 | 1,148,031,180 |
| 2006 | $83,527,634 | 898,888,738 | 898,888,738 |
| 2007 | $102,126,732 | 1,011,241,472 | 1,011,241,472 |
| 2008 | $306,808,396 | 1,038,922,566 | 1,038,922,566 |
| 2009 | $91,874,509 | 400,858,585 | 400,858,585 |
| 2010 | $121,401,741 | 770,209,515 | 770,209,515 |
| 2011 | $183,698,693 | 693,138,057 | 693,138,057 |
Note: Quantity represents Weight in kilograms
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