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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $3,857,389 | 215,236,433 | 215,236,433 |
| 2006 | $6,736,683 | 360,563,660 | 360,563,660 |
| 2007 | $2,538,719 | 112,144,797 | 112,144,797 |
| 2008 | $3,535,927 | 142,187,650 | 142,187,650 |
| 2009 | $6,090,441 | 257,829,233 | 257,829,233 |
| 2010 | $10,273,187 | 421,008,003 | 421,008,003 |
Note: Quantity represents Weight in kilograms
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