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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $6,715 | 26,090 | 26,090 |
| 2006 | $59,777 | 413,992 | 413,992 |
| 2007 | $182,497 | 911,672 | 911,672 |
| 2008 | $10,070,038 | 40,762,010 | 40,762,010 |
| 2009 | $16,733,708 | 90,844,540 | 90,844,540 |
| 2010 | $38,722,037 | 190,172,659 | 190,172,659 |
| 2011 | $84,752,134 | 303,662,990 | 303,662,990 |
Note: Quantity represents Weight in kilograms
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