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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $22,400 | 8,537 | 8,537 |
| 2006 | $11,200 | 11,587 | 11,587 |
| 2007 | $13,200 | 10,685 | 10,685 |
| 2008 | $58,800 | 13,348 | 13,348 |
| 2009 | $64,300 | 43,969 | 43,969 |
| 2010 | $147,500 | 44,986 | 44,986 |
| 2011 | $263,000 | 15,854 | 15,854 |
Note: Quantity represents Weight in kilograms
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