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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $7,918 | 30,005 | 30,005 |
| 2006 | $9,335 | 22,983 | 22,983 |
| 2007 | $11,776 | 55,982 | 55,982 |
| 2008 | $15,323 | 211,846 | 211,846 |
| 2009 | $18,976 | 153,820 | 153,820 |
| 2010 | $36,052 | 258,306 | 258,306 |
| 2011 | $26,967 | 152,199 | 152,199 |
Note: Quantity represents Weight in kilograms
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