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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $1,118 | 30,000 | 30,000 |
| 2006 | $7,529 | 37,230 | 37,230 |
| 2007 | $23,024 | 58,405 | 58,405 |
| 2008 | $686,630 | 4,220,200 | 4,220,200 |
| 2009 | $359,376 | 3,782,320 | 3,782,320 |
| 2010 | $1,023,808 | 6,982,050 | 6,982,050 |
| 2011 | $1,402,563 | 7,361,638 | 7,361,638 |
Note: Quantity represents Weight in kilograms
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