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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $14,000 | 992 | 992 |
| 2006 | $27,632 | 1,953 | 1,953 |
| 2007 | $32,967 | 4,072 | 4,072 |
| 2008 | $151,072 | 14,808 | 14,808 |
| 2009 | $56,836 | 4,783 | 4,783 |
| 2010 | $22,418 | 2,521 | 2,521 |
| 2011 | $4,775 | 1,901 | 1,901 |
Note: Quantity represents Weight in kilograms
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