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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $1,805 | 1,080 | 1,080 |
| 2006 | $1,262 | 304 | 304 |
| 2007 | $31,596 | 8,540 | 8,540 |
| 2008 | $18,187 | 6,242 | 6,242 |
| 2009 | $26,690 | 5,527 | 5,527 |
| 2010 | $59,045 | 16,455 | 16,455 |
| 2011 | $15,796 | 2,764 | 2,764 |
Note: Quantity represents Weight in kilograms
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