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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $1,988 | 3,799 | 3,799 |
| 2006 | $824 | 875 | 875 |
| 2007 | $893 | 891 | 891 |
| 2008 | $8,778 | 12,949 | 12,949 |
| 2009 | $23,094 | 40,024 | 40,024 |
| 2010 | $28,331 | 46,903 | 46,903 |
| 2011 | $28,215 | 41,305 | 41,305 |
Note: Quantity represents Weight in kilograms
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