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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $7,336 | 7,946 | 7,946 |
| 2006 | $20,538 | 22,870 | 22,870 |
| 2007 | $15,114 | 12,321 | 12,321 |
| 2008 | $34,355 | 17,216 | 17,216 |
| 2009 | $16,046 | 15,597 | 15,597 |
| 2010 | $26,430 | 29,772 | 29,772 |
| 2011 | $40,096 | 46,844 | 46,844 |
Note: Quantity represents Weight in kilograms
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