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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $6,099 | 1,152 | 1,152 |
| 2006 | $7,999 | 1,752 | 1,752 |
| 2007 | $11,485 | 2,312 | 2,312 |
| 2008 | $12,701 | 2,361 | 2,361 |
| 2009 | $15,982 | 3,133 | 3,133 |
| 2010 | $34,824 | 7,171 | 7,171 |
| 2011 | $18,546 | 3,670 | 3,670 |
Note: Quantity represents Weight in kilograms
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