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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $24,896 | 20,119 | 20,119 |
| 2006 | $10,432 | 8,049 | 8,049 |
| 2007 | $34,080 | 25,146 | 25,146 |
| 2008 | $23,113 | 16,324 | 16,324 |
| 2009 | $21,676 | 17,324 | 17,324 |
| 2010 | $34,295 | 24,129 | 24,129 |
| 2011 | $44,321 | 28,369 | 28,369 |
Note: Quantity represents Weight in kilograms
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