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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $174,462,359 | 287,894,140 | 287,894,140 |
| 2006 | $176,656,695 | 311,834,810 | 311,834,810 |
| 2007 | $225,652,845 | 281,147,803 | 281,147,803 |
| 2008 | $374,548,861 | 302,914,355 | 302,914,355 |
| 2009 | $186,716,924 | 257,238,592 | 257,238,592 |
| 2010 | $286,915,552 | 286,945,179 | 286,945,179 |
| 2011 | $462,990,273 | 263,692,848 | 263,692,848 |
Note: Quantity represents Weight in kilograms
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