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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $15,671 | 10,281 | 10,281 |
| 2006 | $9,276 | 5,472 | 5,472 |
| 2007 | $24,409 | 11,867 | 11,867 |
| 2008 | $46,874 | 17,130 | 17,130 |
| 2009 | $26,920 | 12,372 | 12,372 |
| 2010 | $18,000 | 10,359 | 10,359 |
| 2011 | $24,819 | 14,448 | 14,448 |
Note: Quantity represents Weight in kilograms
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