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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $3,902 | 351 | 351 |
| 2006 | $8,377 | 1,176 | 1,176 |
| 2007 | $2,780 | 1,071 | 1,071 |
| 2008 | $7,979 | 225 | 225 |
| 2009 | $9,048 | 18,001 | 18,001 |
| 2010 | $20,005 | 40,085 | 40,085 |
| 2011 | $28,504 | 38,531 | 38,531 |
Note: Quantity represents Weight in kilograms
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