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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $25,613,334 | 218,111,593 | 218,111,593 |
| 2006 | $24,913,254 | 199,132,115 | 199,132,115 |
| 2007 | $57,410,170 | 353,786,174 | 353,786,174 |
| 2008 | $64,594,378 | 354,311,323 | 354,311,323 |
| 2009 | $64,308,568 | 323,942,414 | 323,942,414 |
| 2010 | $120,914,748 | 473,023,226 | 473,023,226 |
Note: Quantity represents Weight in kilograms
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