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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $68,400 | 18,520 | 18,520 |
| 2006 | $26,500 | 1,939 | 1,939 |
| 2007 | $104,800 | 16,929 | 16,929 |
| 2008 | $84,500 | 15,159 | 15,159 |
| 2009 | $31,300 | 6,694 | 6,694 |
| 2010 | $22,300 | 2,918 | 2,918 |
| 2011 | $60,100 | 6,282 | 6,282 |
Note: Quantity represents Weight in kilograms
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