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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $64,726,324 | 245,975,786 | 245,975,786 |
| 2006 | $64,104,753 | 225,419,998 | 225,419,998 |
| 2007 | $74,572,647 | 201,847,965 | 201,847,965 |
| 2008 | $108,767,744 | 192,004,646 | 192,004,646 |
| 2009 | $44,813,277 | 94,186,814 | 94,186,814 |
| 2010 | $43,616,345 | 97,989,441 | 97,989,441 |
| 2011 | $25,657,263 | 42,075,516 | 42,075,516 |
Note: Quantity represents Weight in kilograms
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