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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $152,578,940 | 32,661,200 | 32,661,200 |
| 2006 | $256,597,883 | 35,754,025 | 35,754,025 |
| 2007 | $319,896,636 | 38,422,700 | 38,422,700 |
| 2008 | $346,062,270 | 41,438,700 | 41,438,700 |
| 2009 | $204,957,396 | 31,558,500 | 31,558,500 |
| 2010 | $306,443,130 | 35,651,100 | 35,651,100 |
| 2011 | $419,394,976 | 40,194,767 | 40,194,767 |
Note: Quantity represents Weight in kilograms
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