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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $470,324 | 67,400 | 67,400 |
| 2006 | $258,600 | 52,000 | 52,000 |
| 2007 | $439,104 | 82,800 | 82,800 |
| 2008 | $60,480 | 19,300 | 19,300 |
| 2009 | $41,680 | 12,700 | 12,700 |
| 2010 | $78,208 | 13,700 | 13,700 |
| 2011 | $34,783 | 4,900 | 4,900 |
Note: Quantity represents Weight in kilograms
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