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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $98,755,898 | 298,493,875 | 298,493,875 |
| 2006 | $139,139,297 | 396,929,302 | 396,929,302 |
| 2007 | $178,908,039 | 474,127,574 | 474,127,574 |
| 2008 | $177,411,491 | 347,448,771 | 347,448,771 |
| 2009 | $173,381,998 | 368,889,976 | 368,889,976 |
| 2010 | $238,261,556 | 540,770,482 | 540,770,482 |
| 2011 | $323,287,652 | 698,046,379 | 698,046,379 |
Note: Quantity represents Weight in kilograms
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