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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $8,169 | 1,949 | 1,949 |
| 2006 | $13,367 | 361 | 361 |
| 2007 | $21,332 | 45,993 | 45,993 |
| 2008 | $6,580 | 899 | 899 |
| 2009 | $22,195 | 2,702 | 2,702 |
| 2010 | $22,520 | 4,052 | 4,052 |
| 2011 | $51,763 | 7,052 | 7,052 |
Note: Quantity represents Weight in kilograms
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