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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $8,314 | 598 | 598 |
| 2006 | $24,865 | 10,652 | 10,652 |
| 2007 | $16,655 | 2,101 | 2,101 |
| 2008 | $19,085 | 13,483 | 13,483 |
| 2009 | $23,921 | 2,102 | 2,102 |
| 2010 | $37,112 | 6,658 | 6,658 |
| 2011 | $31,922 | 1,849 | 1,849 |
Note: Quantity represents Weight in kilograms
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