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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $8,719 | 765 | 765 |
| 2006 | $14,197 | 1,108 | 1,108 |
| 2007 | $18,534 | 1,272 | 1,272 |
| 2008 | $22,149 | 1,255 | 1,255 |
| 2009 | $21,748 | 1,610 | 1,610 |
| 2010 | $36,395 | 2,586 | 2,586 |
| 2011 | $55,972 | 3,481 | 3,481 |
Note: Quantity represents Weight in kilograms
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