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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $46,455 | 18,501 | 18,501 |
| 2006 | $48,512 | 15,712 | 15,712 |
| 2007 | $54,678 | 12,576 | 12,576 |
| 2008 | $76,580 | 18,267 | 18,267 |
| 2009 | $162,019 | 57,621 | 57,621 |
| 2010 | $130,345 | 36,325 | 36,325 |
| 2011 | $153,315 | 31,991 | 31,991 |
Note: Quantity represents Weight in kilograms
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