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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $751,469,336 | 329,134,635 | 329,134,635 |
| 2006 | $536,708,882 | 206,509,309 | 206,509,309 |
| 2007 | $430,065,864 | 102,485,862 | 102,485,862 |
| 2008 | $297,173,877 | 71,197,610 | 71,197,610 |
| 2009 | $247,698,564 | 96,586,377 | 96,586,377 |
| 2010 | $177,293,521 | 61,174,394 | 61,174,394 |
| 2011 | $177,201,727 | 44,482,276 | 44,482,276 |
Note: Quantity represents Weight in kilograms
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