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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $177,142,160 | 67,427,511 | 67,427,511 |
| 2006 | $244,087,127 | 69,332,111 | 69,332,111 |
| 2007 | $278,480,033 | 75,161,824 | 75,161,824 |
| 2008 | $255,083,216 | 101,379,041 | 101,379,041 |
| 2009 | $180,764,869 | 71,759,412 | 71,759,412 |
| 2010 | $199,251,001 | 84,213,778 | 84,213,778 |
| 2011 | $290,009,921 | 90,804,435 | 90,804,435 |
Note: Quantity represents Weight in kilograms
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