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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $7,266 | 17,465 | 17,465 |
| 2006 | $4,307 | 12,946 | 12,946 |
| 2007 | $4,829 | 18,064 | 18,064 |
| 2008 | $9,026 | 30,588 | 30,588 |
| 2009 | $8,116 | 7,831 | 7,831 |
| 2010 | $166,840 | 178,603 | 178,603 |
| 2011 | $28,653 | 31,661 | 31,661 |
Note: Quantity represents Weight in kilograms
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