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| Year | Trade Value | Weight (kg) | Quantity |
| 2006 | $2,816 | 1,407 | 1,407 |
| 2008 | $557,635,039 | 69,954,015 | 69,954,015 |
| 2009 | $527,383,247 | 100,499,593 | 100,499,593 |
| 2010 | $633,390,386 | 83,012,986 | 83,012,986 |
| 2011 | $500,254,386 | 58,722,880 | 58,722,880 |
Note: Quantity represents Weight in kilograms
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