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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $55 | 1,015 | 1,015 |
| 2006 | $8,874 | 19,919 | 19,919 |
| 2007 | $521,214 | 5,058,865 | 5,058,865 |
| 2008 | $14,875,829 | 82,959,891 | 82,959,891 |
| 2009 | $28,605,703 | 210,565,983 | 210,565,983 |
| 2010 | $24,058,274 | 147,300,546 | 147,300,546 |
| 2011 | $29,427,941 | 294,559,931 | 294,559,931 |
Note: Quantity represents Weight in kilograms
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