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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $164,934,469 | 302,100,350 | 302,100,350 |
| 2006 | $140,422,320 | 2,551,449 | 2,551,449 |
| 2007 | $112,861,453 | 2,142,874 | 2,142,874 |
| 2008 | $153,956,916 | 2,495,300,915 | 2,495,300,915 |
| 2009 | $87,641,344 | 57,514,301 | 57,514,301 |
| 2010 | $137,326,549 | 235,349,377 | 235,349,377 |
| 2011 | $118,621,714 | 738,740,539 | 738,740,539 |
Note: Quantity represents Weight in kilograms
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