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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $36,014 | 12,328 | 12,328 |
| 2006 | $40,667 | 14,576 | 14,576 |
| 2007 | $12,851 | 3,387 | 3,387 |
| 2008 | $45,239 | 6,078 | 6,078 |
| 2009 | $23,579 | 4,052 | 4,052 |
| 2010 | $2,658 | 321 | 321 |
| 2011 | $1,918 | 204 | 204 |
Note: Quantity represents Weight in kilograms
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