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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $225,008,057 | 414,114,894 | 414,114,894 |
| 2006 | $340,031,758 | 499,056,603 | 499,056,603 |
| 2007 | $487,182,730 | 544,724,889 | 544,724,889 |
| 2008 | $684,731,942 | 597,341,258 | 597,341,258 |
| 2009 | $302,529,641 | 513,897,371 | 513,897,371 |
| 2010 | $384,681,378 | 585,550,121 | 585,550,121 |
Note: Quantity represents Weight in kilograms
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