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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $1,105 | 451 | 451 |
| 2006 | $3,827 | 1,926 | 1,926 |
| 2007 | $3,082 | 519 | 519 |
| 2008 | $40,753 | 27,413 | 27,413 |
| 2009 | $45,350 | 15,240 | 15,240 |
| 2010 | $92,167 | 19,773 | 19,773 |
| 2011 | $118,871 | 25,801 | 25,801 |
Note: Quantity represents Weight in kilograms
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