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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $157,273,251 | 257,064 | 257,064 |
| 2006 | $182,825,091 | 301,830 | 301,830 |
| 2007 | $206,352,394 | 306,091 | 306,091 |
| 2008 | $263,994,797 | 381,692 | 381,692 |
| 2009 | $240,278,487 | 353,292 | 353,292 |
| 2010 | $260,494,761 | 468,309 | 468,309 |
| 2011 | $301,217,593 | 462,828 | 462,828 |
Note: Quantity represents Weight in kilograms
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