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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $3,472 | 6,000 | 6,000 |
| 2006 | $247 | 560 | 560 |
| 2007 | $9,224 | 3,366 | 3,366 |
| 2008 | $14,620 | 27,300 | 27,300 |
| 2009 | $21,392 | 64,672 | 64,672 |
| 2010 | $28,939 | 23,478 | 23,478 |
| 2011 | $1,705 | 1,144 | 1,144 |
Note: Quantity represents Weight in kilograms
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