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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $110,007 | 112,833 | 112,833 |
| 2006 | $45,338 | 48,409 | 48,409 |
| 2007 | $86,381 | 64,273 | 64,273 |
| 2008 | $260,251 | 186,615 | 186,615 |
| 2009 | $543,981 | 442,246 | 442,246 |
| 2010 | $653,881 | 549,455 | 549,455 |
| 2011 | $517,380 | 355,790 | 355,790 |
Note: Quantity represents Weight in kilograms
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