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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $19,938 | 35,184 | 35,184 |
| 2006 | $44,336 | 50,115 | 50,115 |
| 2007 | $14,854 | 12,803 | 12,803 |
| 2008 | $27,265 | 38,409 | 38,409 |
| 2009 | $36,089 | 15,794 | 15,794 |
| 2010 | $50,831 | 57,508 | 57,508 |
| 2011 | $153,118 | 154,399 | 154,399 |
Note: Quantity represents Weight in kilograms
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