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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $4,964 | 8,710 | 8,710 |
| 2006 | $12,544 | 22,568 | 22,568 |
| 2007 | $134,319 | 172,100 | 172,100 |
| 2008 | $328,503 | 3,921,610 | 3,921,610 |
| 2009 | $207,981 | 355,696 | 355,696 |
| 2010 | $320,919 | 592,237 | 592,237 |
| 2011 | $358,088 | 835,411 | 835,411 |
Note: Quantity represents Weight in kilograms
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