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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $4,452,888 | 1,216,171,418 | 1,216,171,418 |
| 2006 | $12,720,692 | 4,338,201 | 4,338,201 |
| 2007 | $4,256,116 | 165,796,939 | 165,796,939 |
| 2008 | $3,322,217 | 1,123,044 | 1,123,044 |
| 2009 | $5,958,000 | 2,700,538 | 2,700,538 |
| 2010 | $4,256,021 | 577,184 | 577,184 |
| 2011 | $3,999,548 | 571,364 | 571,364 |
Note: Quantity represents Weight in kilograms
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