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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $6,558,415 | 250,363,569 | 250,363,569 |
| 2006 | $7,230,576 | 263,957,245 | 263,957,245 |
| 2007 | $9,085,132 | 333,729,193 | 333,729,193 |
| 2008 | $9,372,743 | 337,911,766 | 337,911,766 |
| 2009 | $11,449,934 | 430,939,208 | 430,939,208 |
| 2010 | $12,940,965 | 482,404,832 | 482,404,832 |
| 2011 | $5,611,601 | 92,823,945 | 92,823,945 |
Note: Quantity represents Weight in kilograms
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