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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $10,637,112 | 259,438,983 | 259,438,983 |
| 2006 | $37,349,104 | 856,034,827 | 856,034,827 |
| 2007 | $10,215,367 | 181,689,973 | 181,689,973 |
| 2008 | $14,018,608 | 171,394,115 | 171,394,115 |
| 2009 | $9,314,309 | 129,190,985 | 129,190,985 |
| 2010 | $5,322,414 | 82,729,750 | 82,729,750 |
| 2011 | $2,802,174 | 44,337,913 | 44,337,913 |
Note: Quantity represents Weight in kilograms
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