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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $139,554,000 | 5,522,335 | 5,522,335 |
| 2006 | $181,836,000 | 6,622,410 | 6,622,410 |
| 2007 | $230,182,000 | 7,442,738 | 7,442,738 |
| 2008 | $220,969,000 | 5,900,569 | 5,900,569 |
| 2009 | $170,024,000 | 4,779,837 | 4,779,837 |
| 2010 | $199,438,000 | 5,949,726 | 5,949,726 |
| 2011 | $289,970,000 | 12,378,799 | 12,378,799 |
Note: Quantity represents Weight in kilograms
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