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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $58,065,445 | 25,637,274,289 | 25,637,274,289 |
| 2006 | $69,270,748 | 26,949,680,485 | 26,949,680,485 |
| 2007 | $23,378,002 | 8,768,599,325 | 8,768,599,325 |
| 2008 | $30,279,848 | 6,988,343,239 | 6,988,343,239 |
| 2009 | $55,726,683 | 12,834,069,639 | 12,834,069,639 |
| 2010 | $36,932,767 | 7,438,559,718 | 7,438,559,718 |
| 2011 | $27,764,523 | 5,725,595,966 | 5,725,595,966 |
Note: Quantity represents Weight in kilograms
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