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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $174,130 | 16,636 | 16,636 |
| 2006 | $160,125 | 12,620 | 12,620 |
| 2007 | $228,476 | 15,058 | 15,058 |
| 2008 | $220,151 | 11,638 | 11,638 |
| 2009 | $273,794 | 15,163 | 15,163 |
| 2010 | $251,077 | 15,529 | 15,529 |
| 2011 | $262,793 | 11,202 | 11,202 |
Note: Quantity represents Weight in kilograms
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