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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $8,600 | 901 | 901 |
| 2006 | $9,035 | 519 | 519 |
| 2007 | $73,371 | 34,390 | 34,390 |
| 2008 | $117,688 | 24,262 | 24,262 |
| 2009 | $45,386 | 6,948 | 6,948 |
| 2010 | $50,038 | 19,603 | 19,603 |
| 2011 | $28,721 | 13,130 | 13,130 |
Note: Quantity represents Weight in kilograms
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