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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $22,373,060 | 176,043,287 | 176,043,287 |
| 2006 | $33,685,166 | 209,071,487 | 209,071,487 |
| 2007 | $66,565,740 | 291,039,281 | 291,039,281 |
| 2008 | $51,009,774 | 196,533,278 | 196,533,278 |
| 2009 | $68,335,165 | 392,937,607 | 392,937,607 |
| 2010 | $111,295,739 | 608,193,642 | 608,193,642 |
Note: Quantity represents Weight in kilograms
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