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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $617,576 | 463,273 | 463,273 |
| 2006 | $2,089,937 | 1,458,243 | 1,458,243 |
| 2007 | $1,487,980 | 806,712 | 806,712 |
| 2008 | $766,180 | 485,103 | 485,103 |
| 2009 | $614,852 | 534,647 | 534,647 |
| 2010 | $1,627,163 | 4,494,595 | 4,494,595 |
| 2011 | $2,000,745 | 2,487,530 | 2,487,530 |
Note: Quantity represents Weight in kilograms
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