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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $8,739 | 417 | 417 |
| 2006 | $72,645 | 6,845 | 6,845 |
| 2007 | $72,387 | 6,467 | 6,467 |
| 2008 | $142,441 | 15,664 | 15,664 |
| 2009 | $244,585 | 28,003 | 28,003 |
| 2010 | $116,109 | 13,089 | 13,089 |
| 2011 | $66,396 | 5,345 | 5,345 |
Note: Quantity represents Weight in kilograms
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