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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $3,090,000 | 693,400 | 693,400 |
| 2006 | $2,052,000 | 498,300 | 498,300 |
| 2007 | $3,017,000 | 435,300 | 435,300 |
| 2008 | $2,158,000 | 423,000 | 423,000 |
| 2009 | $944,000 | 235,600 | 235,600 |
| 2010 | $1,443,000 | 288,500 | 288,500 |
| 2011 | $2,193,000 | 494,300 | 494,300 |
Note: Quantity represents Weight in kilograms
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