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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $7,237 | 512 | 512 |
| 2006 | $34,510 | 7,870 | 7,870 |
| 2007 | $16,031 | 2,691 | 2,691 |
| 2008 | $32,958 | 21,710 | 21,710 |
| 2009 | $6,248 | 2,772 | 2,772 |
| 2010 | $169,792 | 50,110 | 50,110 |
| 2011 | $139,137 | 29,259 | 29,259 |
Note: Quantity represents Weight in kilograms
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