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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $18,102 | 6,308 | 6,308 |
| 2006 | $24,467 | 8,414 | 8,414 |
| 2007 | $24,934 | 5,004 | 5,004 |
| 2008 | $26,179 | 4,471 | 4,471 |
| 2009 | $11,534 | 3,297 | 3,297 |
| 2010 | $16,151 | 5,783 | 5,783 |
| 2011 | $16,180 | 7,098 | 7,098 |
Note: Quantity represents Weight in kilograms
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