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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $2,398 | 161 | 161 |
| 2006 | $37,768 | 3,441 | 3,441 |
| 2007 | $77,436 | 18,534 | 18,534 |
| 2008 | $30,371 | 5,282 | 5,282 |
| 2009 | $26,095 | 27,019 | 27,019 |
| 2010 | $30,985 | 3,588 | 3,588 |
| 2011 | $12,840 | 1,390 | 1,390 |
Note: Quantity represents Weight in kilograms
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