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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $68,810,812 | 1,254,299,311 | 1,254,299,311 |
| 2006 | $79,614,846 | 1,282,559,229 | 1,282,559,229 |
| 2007 | $76,577,811 | 855,568,129 | 855,568,129 |
| 2008 | $71,176,970 | 667,502,507 | 667,502,507 |
| 2009 | $61,156,823 | 615,827,058 | 615,827,058 |
| 2010 | $54,806,615 | 639,214,431 | 639,214,431 |
| 2011 | $83,097,039 | 970,538,094 | 970,538,094 |
Note: Quantity represents Weight in kilograms
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