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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $3,170 | 3,490 | 3,490 |
| 2006 | $2,798 | 12,192 | 12,192 |
| 2007 | $23,091 | 149,582 | 149,582 |
| 2008 | $19,540 | 47,424 | 47,424 |
| 2009 | $16 | 11 | 11 |
| 2010 | $6,123 | 11,164 | 11,164 |
| 2011 | $1,965 | 1,763 | 1,763 |
Note: Quantity represents Weight in kilograms
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