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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $43,410,909 | 554,005,992 | 554,005,992 |
| 2006 | $50,318,257 | 665,108,000 | 665,108,000 |
| 2007 | $54,226,144 | 817,604,984 | 817,604,984 |
| 2008 | $69,442,785 | 0 | 0 |
| 2009 | $40,033,779 | 637,526,992 | 637,526,992 |
| 2010 | $35,653,062 | 517,565,000 | 517,565,000 |
| 2011 | $29,171,282 | 439,242,992 | 439,242,992 |
Note: Quantity represents Weight in kilograms
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