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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $146,102 | 10,063 | 10,063 |
| 2006 | $126,931 | 8,743 | 8,743 |
| 2007 | $98,322 | 8,651 | 8,651 |
| 2008 | $98,932 | 7,154 | 7,154 |
| 2009 | $124,064 | 7,944 | 7,944 |
| 2010 | $49,150 | 2,581 | 2,581 |
| 2011 | $25,673 | 1,156 | 1,156 |
Note: Quantity represents Weight in kilograms
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