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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $39,189 | 23,872 | 23,872 |
| 2006 | $67,895 | 56,527 | 56,527 |
| 2007 | $62,922 | 65,097 | 65,097 |
| 2008 | $34,756 | 38,353 | 38,353 |
| 2009 | $14,554 | 32,062 | 32,062 |
| 2010 | $17,231 | 50,155 | 50,155 |
| 2011 | $53,005 | 45,259 | 45,259 |
Note: Quantity represents Weight in kilograms
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