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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $6,856 | 10,312 | 10,312 |
| 2006 | $8,023 | 13,115 | 13,115 |
| 2007 | $7,864 | 10,000 | 10,000 |
| 2008 | $18,914 | 17,675 | 17,675 |
| 2009 | $24,116 | 25,426 | 25,426 |
| 2010 | $27,793 | 27,034 | 27,034 |
| 2011 | $24,926 | 17,839 | 17,839 |
Note: Quantity represents Weight in kilograms
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