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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $57,980 | 17,156 | 17,156 |
| 2006 | $31,071 | 6,245 | 6,245 |
| 2007 | $26,528 | 3,534 | 3,534 |
| 2008 | $33,308 | 3,436 | 3,436 |
| 2009 | $43,452 | 8,615 | 8,615 |
| 2010 | $35,933 | 5,731 | 5,731 |
| 2011 | $29,130 | 5,577 | 5,577 |
Note: Quantity represents Weight in kilograms
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