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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $2,862 | 135 | 135 |
| 2006 | $28,621 | 986 | 986 |
| 2007 | $48,512 | 1,408 | 1,408 |
| 2008 | $39,608 | 1,279 | 1,279 |
| 2009 | $91,800 | 2,249 | 2,249 |
| 2010 | $164,989 | 7,258 | 7,258 |
| 2011 | $229,722 | 9,210 | 9,210 |
Note: Quantity represents Weight in kilograms
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