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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $53,478,151 | 11,594,807 | 11,594,807 |
| 2006 | $55,776,610 | 12,880,105 | 12,880,105 |
| 2007 | $90,256,279 | 18,127,493 | 18,127,493 |
| 2008 | $575,872,185 | 42,520,837 | 42,520,837 |
| 2009 | $1,106,825,206 | 36,914,167 | 36,914,167 |
| 2010 | $1,385,584,964 | 48,678,814 | 48,678,814 |
| 2011 | $1,468,529,801 | 38,940,480 | 38,940,480 |
Note: Quantity represents Weight in kilograms
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