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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $22,592 | 10,488 | 10,488 |
| 2006 | $37,402 | 19,447 | 19,447 |
| 2007 | $52,908 | 25,354 | 25,354 |
| 2008 | $79,625 | 29,466 | 29,466 |
| 2009 | $112,438 | 38,732 | 38,732 |
| 2010 | $94,725 | 32,772 | 32,772 |
| 2011 | $168,617 | 70,028 | 70,028 |
Note: Quantity represents Weight in kilograms
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