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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $1,309,769 | 51,696,080 | 51,696,080 |
| 2006 | $9,380,660 | 158,781,016 | 158,781,016 |
| 2007 | $9,840,758 | 11,016,673,760 | 11,016,673,760 |
| 2008 | $7,534,768 | 88,467,665 | 88,467,665 |
| 2009 | $3,736,347 | 51,897,364 | 51,897,364 |
| 2010 | $4,453,144 | 74,308,446 | 74,308,446 |
Note: Quantity represents Weight in kilograms
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