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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $44,070 | 16,500 | 16,500 |
| 2006 | $22,224 | 10,900 | 10,900 |
| 2007 | $7,500 | 4,600 | 4,600 |
| 2008 | $47,710 | 31,445 | 31,445 |
| 2009 | $35,997 | 25,826 | 25,826 |
| 2010 | $34,638 | 27,988 | 27,988 |
| 2011 | $23,633 | 12,789 | 12,789 |
Note: Quantity represents Weight in kilograms
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