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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $23,073 | 708 | 708 |
| 2006 | $41,397 | 1,017 | 1,017 |
| 2007 | $40,603 | 942 | 942 |
| 2008 | $73,255 | 1,319 | 1,319 |
| 2009 | $86,663 | 1,703 | 1,703 |
| 2010 | $79,705 | 1,658 | 1,658 |
| 2011 | $66,075 | 1,254 | 1,254 |
Note: Quantity represents Weight in kilograms
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