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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $111,707,381 | 1,540,754,400 | 1,540,754,400 |
| 2006 | $113,705,978 | 1,565,099,499 | 1,565,099,499 |
| 2007 | $135,254,854 | 1,663,262,000 | 1,663,262,000 |
| 2008 | $125,328,722 | 1,430,723,300 | 1,430,723,300 |
| 2009 | $103,795,606 | 1,161,054,627 | 1,161,054,627 |
| 2010 | $106,503,474 | 1,289,011,300 | 1,289,011,300 |
Note: Quantity represents Weight in kilograms
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