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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $6,100 | 299,000 | 299,000 |
| 2006 | $8,400 | 314,100 | 314,100 |
| 2007 | $10,100 | 311,020 | 311,020 |
| 2008 | $16,000 | 442,570 | 442,570 |
| 2009 | $3,700 | 1,600 | 1,600 |
| 2010 | $91,200 | 64,710 | 64,710 |
| 2011 | $289,100 | 964,237 | 964,237 |
Note: Quantity represents Weight in kilograms
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