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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $2,321 | 220 | 220 |
| 2006 | $7,771 | 7,939 | 7,939 |
| 2007 | $1,417 | 84 | 84 |
| 2008 | $21,614 | 16,602 | 16,602 |
| 2009 | $390,157 | 384,411 | 384,411 |
| 2010 | $633,651 | 638,637 | 638,637 |
| 2011 | $60,345 | 51,769 | 51,769 |
Note: Quantity represents Weight in kilograms
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