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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $593,279,435 | 2,304,508 | 2,304,508 |
| 2006 | $885,558,546 | 5,458,089 | 5,458,089 |
| 2007 | $1,123,734,834 | 13,931,184 | 13,931,184 |
| 2008 | $1,426,258,640 | 1,379,966 | 1,379,966 |
| 2009 | $2,104,361,504 | 3,730,259 | 3,730,259 |
| 2010 | $1,484,871,485 | 1,364,810 | 1,364,810 |
| 2011 | $2,058,745,875 | 1,725,675 | 1,725,675 |
Note: Quantity represents Weight in kilograms
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