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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $6,930 | 1,156 | 1,156 |
| 2006 | $9,303 | 1,711 | 1,711 |
| 2007 | $9,118 | 15,826 | 15,826 |
| 2008 | $15,313 | 14,766 | 14,766 |
| 2009 | $8,077 | 14,911 | 14,911 |
| 2010 | $9,698 | 13,785 | 13,785 |
| 2011 | $26,384 | 24,567 | 24,567 |
Note: Quantity represents Weight in kilograms
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