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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $10,736,683 | 386,852 | 386,852 |
| 2006 | $17,857,822 | 748,393 | 748,393 |
| 2007 | $21,663,104 | 603,130 | 603,130 |
| 2008 | $28,953,518 | 1,747,287 | 1,747,287 |
| 2009 | $21,742,063 | 1,792,571 | 1,792,571 |
| 2010 | $14,652,049 | 620,941 | 620,941 |
| 2011 | $14,922,210 | 385,183 | 385,183 |
Note: Quantity represents Weight in kilograms
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