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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $3,164 | 24,068 | 24,068 |
| 2006 | $2,148 | 332 | 332 |
| 2007 | $24,614 | 145,500 | 145,500 |
| 2008 | $59,462 | 96,140 | 96,140 |
| 2009 | $4,512 | 10,656 | 10,656 |
| 2010 | $12,335 | 27,602 | 27,602 |
| 2011 | $3,413 | 3,961 | 3,961 |
Note: Quantity represents Weight in kilograms
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