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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $19,424 | 7,582 | 7,582 |
| 2006 | $50,963 | 34,563 | 34,563 |
| 2007 | $25,195 | 9,513 | 9,513 |
| 2008 | $59,908 | 20,112 | 20,112 |
| 2009 | $148,897 | 33,383 | 33,383 |
| 2010 | $145,784 | 32,690 | 32,690 |
| 2011 | $108,266 | 24,139 | 24,139 |
Note: Quantity represents Weight in kilograms
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