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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $471,647,996 | 299,720,329 | 299,720,329 |
| 2006 | $483,552,899 | 128,616,766 | 128,616,766 |
| 2007 | $513,509,194 | 121,927,422 | 121,927,422 |
| 2008 | $550,889,883 | 125,031,706 | 125,031,706 |
| 2009 | $519,543,609 | 121,818,972 | 121,818,972 |
| 2010 | $476,456,966 | 115,618,061 | 115,618,061 |
| 2011 | $578,546,594 | 136,427,874 | 136,427,874 |
Note: Quantity represents Weight in kilograms
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