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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $405,887,208 | 2,344,813 | 2,344,813 |
| 2006 | $294,955,089 | 869,952 | 869,952 |
| 2007 | $474,809,501 | 1,233,700 | 1,233,700 |
| 2008 | $408,586,711 | 1,070,366 | 1,070,366 |
| 2009 | $302,477,734 | 759,783 | 759,783 |
| 2010 | $406,562,247 | 1,060,703 | 1,060,703 |
| 2011 | $400,307,633 | 986,690 | 986,690 |
Note: Quantity represents Weight in kilograms
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