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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $17,200 | 6,381 | 6,381 |
| 2006 | $19,481 | 10,270 | 10,270 |
| 2007 | $34,533 | 15,438 | 15,438 |
| 2008 | $51,545 | 34,590 | 34,590 |
| 2009 | $25,384 | 12,354 | 12,354 |
| 2010 | $35,036 | 14,377 | 14,377 |
| 2011 | $63,389 | 28,128 | 28,128 |
Note: Quantity represents Weight in kilograms
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