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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $192,000 | 935,348 | 935,348 |
| 2006 | $1,000 | 4,872 | 4,872 |
| 2009 | $98,992,000 | 431,051,031 | 431,051,031 |
| 2010 | $171,910,000 | 849,347,849 | 849,347,849 |
| 2011 | $191,117,000 | 695,148,747 | 695,148,747 |
Note: Quantity represents Weight in kilograms
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