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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $11,822,344 | 701,401,248 | 701,401,248 |
| 2006 | $6,079,364 | 350,841,320 | 350,841,320 |
| 2007 | $12,195,897 | 334,753,344 | 334,753,344 |
| 2008 | $12,598,569 | 262,696,927 | 262,696,927 |
| 2009 | $7,170,713 | 226,664,287 | 226,664,287 |
| 2010 | $2,107,419 | 102,943,790 | 102,943,790 |
| 2011 | $3,759,774 | 234,869,105 | 234,869,105 |
Note: Quantity represents Weight in kilograms
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