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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $88,610 | 63,038 | 63,038 |
| 2006 | $137,374 | 83,155 | 83,155 |
| 2007 | $176,077 | 43,078 | 43,078 |
| 2008 | $278,935 | 77,871 | 77,871 |
| 2009 | $143,863 | 46,076 | 46,076 |
| 2010 | $180,518 | 45,408 | 45,408 |
| 2011 | $244,109 | 63,741 | 63,741 |
Note: Quantity represents Weight in kilograms
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