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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $109,101,282 | 802,514,000 | 802,514,000 |
| 2006 | $55,335,508 | 414,921,235 | 414,921,235 |
| 2007 | $14,669,834 | 90,919,636 | 90,919,636 |
| 2008 | $341,746,544 | 1,201,042,604 | 1,201,042,604 |
| 2010 | $19,746,325 | 112,795,222 | 112,795,222 |
Note: Quantity represents Weight in kilograms
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