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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $262,866,396 | 37,384 | 37,384 |
| 2006 | $294,139,214 | 36,750 | 36,750 |
| 2007 | $322,944,668 | 37,880 | 37,880 |
| 2008 | $309,524,156 | 33,927 | 33,927 |
| 2009 | $249,508,900 | 32,053 | 32,053 |
| 2010 | $298,932,709 | 36,092 | 36,092 |
| 2011 | $345,804,053 | 34,553 | 34,553 |
Note: Quantity represents Weight in kilograms
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