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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $1,682,470 | 4,872,146 | 4,872,146 |
| 2006 | $628,750 | 1,050,754 | 1,050,754 |
| 2007 | $290,755 | 103,757 | 103,757 |
| 2008 | $146,066 | 100,493 | 100,493 |
| 2009 | $188,078,511 | 356,894,213 | 356,894,213 |
| 2010 | $225,731,600 | 326,770,059 | 326,770,059 |
| 2011 | $1,090,287 | 524,919 | 524,919 |
Note: Quantity represents Weight in kilograms
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