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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $128,070 | 28,168 | 28,168 |
| 2006 | $136,263 | 14,208 | 14,208 |
| 2007 | $132,588 | 6,166 | 6,166 |
| 2008 | $137,196 | 4,319 | 4,319 |
| 2009 | $239,082 | 10,645 | 10,645 |
| 2010 | $117,078 | 13,356 | 13,356 |
| 2011 | $70,903 | 7,484 | 7,484 |
Note: Quantity represents Weight in kilograms
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