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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $158,127,715 | 3,763,828 | 3,763,828 |
| 2006 | $378,997,477 | 6,038,256 | 6,038,256 |
| 2007 | $484,366,103 | 5,536,433 | 5,536,433 |
| 2008 | $541,692,230 | 0 | 0 |
| 2009 | $523,745,394 | 4,934,653 | 4,934,653 |
| 2010 | $340,810,620 | 5,657,474 | 5,657,474 |
| 2011 | $571,465,197 | 7,625,171 | 7,625,171 |
Note: Quantity represents Weight in kilograms
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