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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $18,723 | 1,690 | 1,690 |
| 2006 | $18,945 | 1,488 | 1,488 |
| 2007 | $21,736 | 1,236 | 1,236 |
| 2008 | $21,224 | 1,989 | 1,989 |
| 2009 | $19,109 | 1,506 | 1,506 |
| 2010 | $19,029 | 1,416 | 1,416 |
| 2011 | $19,090 | 1,129 | 1,129 |
Note: Quantity represents Weight in kilograms
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