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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $46,668 | 66,300 | 66,300 |
| 2006 | $110,411 | 167,900 | 167,900 |
| 2007 | $182,233 | 221,845 | 221,845 |
| 2008 | $244,140 | 304,441 | 304,441 |
| 2009 | $257,924 | 328,412 | 328,412 |
| 2010 | $251,509 | 312,972 | 312,972 |
| 2011 | $234,453 | 184,189 | 184,189 |
Note: Quantity represents Weight in kilograms
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