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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $203,736,741 | 1,787,905,047 | 1,787,905,047 |
| 2006 | $500,482,954 | 4,031,054,915 | 4,031,054,915 |
| 2007 | $1,106,310,804 | 5,967,682,528 | 5,967,682,528 |
| 2008 | $1,370,444,027 | 4,705,969,422 | 4,705,969,422 |
| 2009 | $597,413,931 | 3,079,997,550 | 3,079,997,550 |
Note: Quantity represents Weight in kilograms
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