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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $18,296 | 2,584 | 2,584 |
| 2006 | $24,738 | 974 | 974 |
| 2007 | $23,911 | 1,641 | 1,641 |
| 2008 | $40,309 | 2,714 | 2,714 |
| 2009 | $39,443 | 2,405 | 2,405 |
| 2010 | $29,930 | 1,899 | 1,899 |
| 2011 | $140,384 | 7,129 | 7,129 |
Note: Quantity represents Weight in kilograms
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