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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $453 | 138 | 138 |
| 2006 | $5,514 | 2,524 | 2,524 |
| 2007 | $14,050 | 19,427 | 19,427 |
| 2008 | $189,124 | 163,344 | 163,344 |
| 2009 | $145,608 | 198,331 | 198,331 |
| 2010 | $216,453 | 297,870 | 297,870 |
| 2011 | $266,424 | 241,556 | 241,556 |
Note: Quantity represents Weight in kilograms
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