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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $33,372 | 42,871 | 42,871 |
| 2006 | $29,158 | 21,729 | 21,729 |
| 2007 | $78,210 | 81,146 | 81,146 |
| 2008 | $161,397 | 183,695 | 183,695 |
| 2009 | $211,092 | 222,163 | 222,163 |
| 2010 | $436,192 | 280,428 | 280,428 |
| 2011 | $492,211 | 351,423 | 351,423 |
Note: Quantity represents Weight in kilograms
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