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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $21,705,748 | 1,164,134,986 | 1,164,134,986 |
| 2006 | $17,664,811 | 1,053,227,979 | 1,053,227,979 |
| 2007 | $16,810,659 | 57,903,773 | 57,903,773 |
| 2008 | $10,193,581 | 304,876,767 | 304,876,767 |
| 2009 | $1,864,946 | 5,421,996 | 5,421,996 |
| 2010 | $1,956,835 | 1,924,670 | 1,924,670 |
Note: Quantity represents Weight in kilograms
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