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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $108,461,041 | 847,847,727 | 847,847,727 |
| 2006 | $114,337,910 | 469,447,290 | 469,447,290 |
| 2007 | $126,918,111 | 530,218,588 | 530,218,588 |
| 2008 | $141,288,221 | 488,564,692 | 488,564,692 |
| 2009 | $113,161,953 | 389,954,821 | 389,954,821 |
| 2010 | $95,476,511 | 450,711,569 | 450,711,569 |
| 2011 | $133,957,732 | 469,687,398 | 469,687,398 |
Note: Quantity represents Weight in kilograms
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