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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $36,470 | 3,461 | 3,461 |
| 2006 | $43,991 | 5,210 | 5,210 |
| 2007 | $330 | 17 | 17 |
| 2008 | $176,900 | 25,931 | 25,931 |
| 2009 | $61,445 | 13,151 | 13,151 |
| 2010 | $234,225 | 45,377 | 45,377 |
| 2011 | $193,939 | 27,389 | 27,389 |
Note: Quantity represents Weight in kilograms
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