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| Year | Trade Value | Weight (kg) | Quantity |
| 2007 | $39,500,540 | 2,959,224 | 2,959,224 |
| 2008 | $40,940,152 | 2,610,973 | 2,610,973 |
| 2009 | $32,043,157 | 1,885,083 | 1,885,083 |
| 2010 | $29,555,425 | 2,167,561 | 2,167,561 |
| 2011 | $38,319,443 | 3,733,397 | 3,733,397 |
Note: Quantity represents Weight in kilograms
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