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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $8,250 | 8,190 | 8,190 |
| 2006 | $2,468 | 651 | 651 |
| 2007 | $3,632 | 2,935 | 2,935 |
| 2008 | $4,976 | 1,130 | 1,130 |
| 2009 | $21,645 | 41,058 | 41,058 |
| 2010 | $35,986 | 61,862 | 61,862 |
| 2011 | $12,324 | 6,694 | 6,694 |
Note: Quantity represents Weight in kilograms
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