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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $204 | 111 | 111 |
| 2006 | $3,047 | 1,654 | 1,654 |
| 2007 | $70,435 | 39,042 | 39,042 |
| 2008 | $2,813 | 1,312 | 1,312 |
| 2009 | $9,481 | 4,064 | 4,064 |
| 2010 | $13,438 | 6,346 | 6,346 |
| 2011 | $11,000 | 8,028 | 8,028 |
Note: Quantity represents Weight in kilograms
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