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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $4,445 | 580 | 580 |
| 2006 | $7,750 | 1,811 | 1,811 |
| 2007 | $31,986 | 6,267 | 6,267 |
| 2008 | $35,644 | 5,409 | 5,409 |
| 2009 | $16,619 | 3,121 | 3,121 |
| 2010 | $27,865 | 51,263 | 51,263 |
| 2011 | $39,114 | 27,541 | 27,541 |
Note: Quantity represents Weight in kilograms
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