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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $118,340,621 | 15,450,109 | 15,450,109 |
| 2006 | $138,993,370 | 16,884,508 | 16,884,508 |
| 2007 | $166,285,911 | 18,648,576 | 18,648,576 |
| 2008 | $178,774,703 | 18,324,631 | 18,324,631 |
| 2009 | $285,287,421 | 160,733,562 | 160,733,562 |
| 2010 | $406,439,307 | 288,858,601 | 288,858,601 |
| 2011 | $465,462,190 | 317,911,914 | 317,911,914 |
Note: Quantity represents Weight in kilograms
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