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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $716,716,000 | 556,435,000 | 556,435,000 |
| 2006 | $811,482,000 | 582,945,318 | 582,945,318 |
| 2007 | $935,764,000 | 543,947,225 | 543,947,225 |
| 2008 | $1,066,158,000 | 545,939,300 | 545,939,300 |
| 2009 | $583,293,000 | 312,306,906 | 312,306,906 |
| 2010 | $630,491,933 | 429,134,800 | 429,134,800 |
| 2011 | $794,210,682 | 448,955,238 | 448,955,238 |
Note: Quantity represents Weight in kilograms
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