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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $432,516,029 | 794,397,641 | 794,397,641 |
| 2006 | $468,911,118 | 736,388,400 | 736,388,400 |
| 2007 | $540,343,150 | 764,460,307 | 764,460,307 |
| 2008 | $546,529,092 | 722,440,700 | 722,440,700 |
| 2009 | $446,669,386 | 639,816,500 | 639,816,500 |
| 2010 | $441,345,445 | 756,381,400 | 756,381,400 |
| 2011 | $494,124,750 | 697,758,400 | 697,758,400 |
Note: Quantity represents Weight in kilograms
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