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| Year | Trade Value | Weight (kg) | Quantity |
| 2007 | $153,948,162 | 166,395,798 | 166,395,798 |
| 2008 | $348,335,369 | 197,549,462 | 197,549,462 |
| 2009 | $188,221,574 | 142,451,447 | 142,451,447 |
| 2010 | $191,707,920 | 187,006,442 | 187,006,442 |
| 2011 | $256,972,090 | 190,213,796 | 190,213,796 |
Note: Quantity represents Weight in kilograms
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