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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $1,243 | 1,400 | 1,400 |
| 2006 | $1,176 | 910 | 910 |
| 2007 | $9,056 | 20,227 | 20,227 |
| 2008 | $17,895 | 40,150 | 40,150 |
| 2009 | $61,018 | 123,559 | 123,559 |
| 2010 | $27,895 | 78,566 | 78,566 |
| 2011 | $213,803 | 168,072 | 168,072 |
Note: Quantity represents Weight in kilograms
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