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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $24,406 | 20,261 | 20,261 |
| 2006 | $30,563 | 25,283 | 25,283 |
| 2007 | $49,569 | 29,500 | 29,500 |
| 2008 | $36,985 | 39,959 | 39,959 |
| 2009 | $38,105 | 48,600 | 48,600 |
| 2010 | $35,776 | 60,017 | 60,017 |
| 2011 | $35,090 | 45,118 | 45,118 |
Note: Quantity represents Weight in kilograms
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