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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $411,854 | 33,800 | 33,800 |
| 2006 | $505,986 | 13,300 | 13,300 |
| 2007 | $452,933 | 9,000 | 9,000 |
| 2008 | $169,451 | 8,200 | 8,200 |
| 2009 | $335,886 | 12,600 | 12,600 |
| 2010 | $23,859 | 1,500 | 1,500 |
| 2011 | $26,437 | 1,200 | 1,200 |
Note: Quantity represents Weight in kilograms
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