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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $63,398,162 | 577,510,100 | 577,510,100 |
| 2006 | $43,606,465 | 437,284,787 | 437,284,787 |
| 2007 | $80,414,643 | 583,542,600 | 583,542,600 |
| 2008 | $171,846,511 | 613,275,000 | 613,275,000 |
| 2009 | $80,658,736 | 684,141,000 | 684,141,000 |
| 2010 | $88,614,957 | 727,134,066 | 727,134,066 |
| 2011 | $154,507,973 | 742,104,985 | 742,104,985 |
Note: Quantity represents Weight in kilograms
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