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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $13,055 | 975 | 975 |
| 2006 | $10,547 | 863 | 863 |
| 2007 | $21,320 | 2,016 | 2,016 |
| 2008 | $19,084 | 1,140 | 1,140 |
| 2009 | $31,363 | 1,546 | 1,546 |
| 2010 | $42,858 | 19,309 | 19,309 |
| 2011 | $49,072 | 7,981 | 7,981 |
Note: Quantity represents Weight in kilograms
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