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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $425,000 | 159,100 | 159,100 |
| 2006 | $345,000 | 111,000 | 111,000 |
| 2007 | $234,000 | 47,100 | 47,100 |
| 2008 | $139,000 | 28,900 | 28,900 |
| 2009 | $57,000 | 16,000 | 16,000 |
| 2010 | $78,000 | 27,900 | 27,900 |
| 2011 | $30,000 | 7,600 | 7,600 |
Note: Quantity represents Weight in kilograms
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