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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $2,448 | 1,451 | 1,451 |
| 2006 | $17,957 | 10,645 | 10,645 |
| 2007 | $6,504 | 25,000 | 25,000 |
| 2008 | $1,540 | 1,000 | 1,000 |
| 2009 | $6,955 | 13,000 | 13,000 |
| 2010 | $118 | 194 | 194 |
| 2011 | $2,393 | 9,560 | 9,560 |
Note: Quantity represents Weight in kilograms
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