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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $9,064 | 3,629 | 3,629 |
| 2006 | $21,650 | 10,542 | 10,542 |
| 2007 | $15,130 | 6,392 | 6,392 |
| 2008 | $42,698 | 17,219 | 17,219 |
| 2009 | $86,049 | 38,544 | 38,544 |
| 2010 | $12,041 | 1,197 | 1,197 |
| 2011 | $25,479 | 3,261 | 3,261 |
Note: Quantity represents Weight in kilograms
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