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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $657,512 | 1,513,960 | 1,513,960 |
| 2006 | $1,168,981 | 2,110,430 | 2,110,430 |
| 2007 | $1,575,830 | 1,219,870 | 1,219,870 |
| 2008 | $2,219,305 | 357,036 | 357,036 |
| 2009 | $15,220,928 | 27,346,212 | 27,346,212 |
| 2010 | $11,437,649 | 15,073,804 | 15,073,804 |
| 2011 | $862,201 | 445,754 | 445,754 |
Note: Quantity represents Weight in kilograms
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