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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $16,990 | 5,189 | 5,189 |
| 2006 | $26,593 | 8,731 | 8,731 |
| 2007 | $36,254 | 7,298 | 7,298 |
| 2008 | $51,242 | 9,466 | 9,466 |
| 2009 | $36,968 | 10,251 | 10,251 |
| 2010 | $36,190 | 7,941 | 7,941 |
| 2011 | $76,730 | 11,446 | 11,446 |
Note: Quantity represents Weight in kilograms
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