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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $57,666 | 19,500 | 19,500 |
| 2006 | $69,570 | 24,589 | 24,589 |
| 2007 | $92,614 | 27,075 | 27,075 |
| 2008 | $144,452 | 40,975 | 40,975 |
| 2009 | $97,533 | 33,528 | 33,528 |
| 2010 | $138,477 | 52,973 | 52,973 |
| 2011 | $108,677 | 32,024 | 32,024 |
Note: Quantity represents Weight in kilograms
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