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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $3,342 | 1,178 | 1,178 |
| 2006 | $5,612 | 1,857 | 1,857 |
| 2007 | $4,627 | 1,162 | 1,162 |
| 2008 | $16,259 | 3,403 | 3,403 |
| 2009 | $273 | 58 | 58 |
| 2010 | $223,299 | 251,096 | 251,096 |
| 2011 | $66,407 | 53,887 | 53,887 |
Note: Quantity represents Weight in kilograms
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