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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $2,900 | 924 | 924 |
| 2006 | $8,800 | 4,644 | 4,644 |
| 2007 | $6,500 | 2,417 | 2,417 |
| 2008 | $7,300 | 2,445 | 2,445 |
| 2009 | $21,900 | 23,715 | 23,715 |
| 2010 | $72,000 | 76,493 | 76,493 |
| 2011 | $351,000 | 48,280 | 48,280 |
Note: Quantity represents Weight in kilograms
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