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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $11,494 | 19,522 | 19,522 |
| 2006 | $8,374 | 2,534 | 2,534 |
| 2007 | $1,716 | 323 | 323 |
| 2008 | $11,222 | 10,224 | 10,224 |
| 2009 | $29,028 | 11,347 | 11,347 |
| 2010 | $32,690 | 35,123 | 35,123 |
| 2011 | $84,582 | 73,727 | 73,727 |
Note: Quantity represents Weight in kilograms
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