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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $70,393 | 78,286 | 78,286 |
| 2006 | $108,608 | 132,177 | 132,177 |
| 2007 | $117,914 | 140,415 | 140,415 |
| 2008 | $156,494 | 144,761 | 144,761 |
| 2009 | $203,221 | 186,419 | 186,419 |
| 2010 | $194,050 | 179,335 | 179,335 |
| 2011 | $337,236 | 320,301 | 320,301 |
Note: Quantity represents Weight in kilograms
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