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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $13,609,000 | 12,340,100 | 12,340,100 |
| 2006 | $13,558,000 | 14,982,100 | 14,982,100 |
| 2007 | $21,887,000 | 23,930,600 | 23,930,600 |
| 2008 | $28,215,000 | 22,320,600 | 22,320,600 |
| 2009 | $20,408,000 | 20,377,500 | 20,377,500 |
| 2010 | $22,542,502 | 43,015,700 | 43,015,700 |
| 2011 | $33,963,077 | 61,016,579 | 61,016,579 |
Note: Quantity represents Weight in kilograms
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