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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $9,600 | 4,405 | 4,405 |
| 2006 | $8,100 | 1,435 | 1,435 |
| 2007 | $6,500 | 998 | 998 |
| 2008 | $28,200 | 3,554 | 3,554 |
| 2009 | $39,500 | 5,160 | 5,160 |
| 2010 | $77,700 | 11,099 | 11,099 |
| 2011 | $38,700 | 4,781 | 4,781 |
Note: Quantity represents Weight in kilograms
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