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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $14,625,469 | 129,725,625 | 129,725,625 |
| 2006 | $40,834,726 | 660,232,856 | 660,232,856 |
| 2007 | $42,648,981 | 539,338,767 | 539,338,767 |
| 2008 | $41,911,930 | 490,792,512 | 490,792,512 |
| 2009 | $38,195,542 | 472,738,665 | 472,738,665 |
| 2010 | $24,198,511 | 393,710,204 | 393,710,204 |
| 2011 | $18,082,836 | 249,865,540 | 249,865,540 |
Note: Quantity represents Weight in kilograms
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