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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $3,553 | 2,400 | 2,400 |
| 2006 | $2,834 | 1,811 | 1,811 |
| 2007 | $5,814 | 5,226 | 5,226 |
| 2008 | $7,716 | 2,279 | 2,279 |
| 2009 | $2,059 | 1,211 | 1,211 |
| 2010 | $1,913 | 1,525 | 1,525 |
| 2011 | $3,387 | 2,056 | 2,056 |
Note: Quantity represents Weight in kilograms
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