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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $792,445,000 | 154,847,872 | 154,847,872 |
| 2006 | $901,126,000 | 170,468,100 | 170,468,100 |
| 2007 | $940,723,000 | 152,459,321 | 152,459,321 |
| 2008 | $1,064,444,000 | 152,432,043 | 152,432,043 |
| 2009 | $854,224,000 | 118,935,700 | 118,935,700 |
| 2010 | $902,565,546 | 146,586,046 | 146,586,046 |
| 2011 | $1,219,428,810 | 191,970,665 | 191,970,665 |
Note: Quantity represents Weight in kilograms
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