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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $60,349 | 35,403 | 997,186,240 |
| 2006 | $138,938 | 88,085 | 2,421,855,940 |
| 2007 | $224,744 | 0 | 0 |
| 2008 | $344,680 | 47,839 | 546,356,330 |
| 2009 | $46,787 | 15,439 | 832,265 |
| 2010 | $101,984 | 72,319 | 4,443,705 |
| 2011 | $171,429 | 62,930 | 3,599,876 |
Note: Quantity represents Number of items
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