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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $1,127 | 226 | 226 |
| 2006 | $2,393 | 1,348 | 1,348 |
| 2007 | $2,511 | 1,838 | 1,838 |
| 2008 | $3,588 | 2,470 | 2,470 |
| 2009 | $6,455 | 1,837 | 1,837 |
| 2010 | $17,426 | 2,210 | 2,210 |
| 2011 | $39,900 | 11,531 | 11,531 |
Note: Quantity represents Weight in kilograms
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