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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $12,735 | 19,040 | 19,040 |
| 2006 | $4,638 | 7,196 | 7,196 |
| 2007 | $2,932 | 949 | 949 |
| 2008 | $61,630 | 73,397 | 73,397 |
| 2009 | $17,064 | 21,261 | 21,261 |
| 2010 | $13,377 | 12,455 | 12,455 |
| 2011 | $16,622 | 18,582 | 18,582 |
Note: Quantity represents Weight in kilograms
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