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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $4,604 | 375 | 375 |
| 2006 | $13,058 | 1,235 | 1,235 |
| 2007 | $32,969 | 4,812 | 4,812 |
| 2008 | $19,576 | 1,266 | 1,266 |
| 2009 | $23,557 | 4,052 | 4,052 |
| 2010 | $31,811 | 3,047 | 3,047 |
| 2011 | $24,505 | 1,199 | 1,199 |
Note: Quantity represents Weight in kilograms
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