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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $13,298 | 65,000 | 65,000 |
| 2006 | $6,184 | 267,000 | 267,000 |
| 2007 | $21,870 | 311,000 | 311,000 |
| 2008 | $20,827 | 317,000 | 317,000 |
| 2009 | $90,783 | 1,284,300 | 1,284,300 |
| 2010 | $102,026 | 1,348,629 | 1,348,629 |
| 2011 | $137,045 | 1,166,360 | 1,166,360 |
Note: Quantity represents Weight in kilograms
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