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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $21,531 | 950 | 950 |
| 2006 | $39,117 | 1,591 | 1,591 |
| 2007 | $70,987 | 6,170 | 6,170 |
| 2008 | $150,367 | 15,506 | 15,506 |
| 2009 | $53,910 | 2,514 | 2,514 |
| 2010 | $57,465 | 1,285 | 1,285 |
| 2011 | $10,117 | 976 | 976 |
Note: Quantity represents Weight in kilograms
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