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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $737,782,717 | 137,334,525 | 137,334,525 |
| 2006 | $1,107,045,239 | 140,577,129 | 140,577,129 |
| 2007 | $1,680,278,357 | 135,080,482 | 135,080,482 |
| 2008 | $863,680,307 | 111,613,867 | 111,613,867 |
| 2009 | $725,933,984 | 169,571,827 | 169,571,827 |
| 2010 | $967,337,834 | 140,824,596 | 140,824,596 |
| 2011 | $826,621,460 | 111,647,932 | 111,647,932 |
Note: Quantity represents Weight in kilograms
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