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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $15,411 | 225 | 225 |
| 2006 | $25,917 | 360 | 360 |
| 2007 | $50,563 | 2,252 | 2,252 |
| 2008 | $55,311 | 4,612 | 4,612 |
| 2009 | $53,479 | 3,062 | 3,062 |
| 2010 | $69,258 | 3,462 | 3,462 |
| 2011 | $62,287 | 3,699 | 3,699 |
Note: Quantity represents Weight in kilograms
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