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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $24,052,760 | 732,997 | 732,997 |
| 2006 | $27,318,042 | 736,618 | 736,618 |
| 2007 | $27,027,985 | 740,480 | 740,480 |
| 2008 | $28,324,078 | 744,794 | 744,794 |
| 2009 | $23,501,784 | 645,015 | 645,015 |
| 2010 | $32,421,076 | 852,917 | 852,917 |
| 2011 | $39,715,238 | 867,989 | 867,989 |
Note: Quantity represents Weight in kilograms
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