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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $22,921 | 5,359 | 5,359 |
| 2006 | $33,862 | 24,908 | 24,908 |
| 2007 | $54,184 | 43,455 | 43,455 |
| 2008 | $36,556 | 45,837 | 45,837 |
| 2009 | $28,606 | 25,044 | 25,044 |
| 2010 | $57,690 | 37,049 | 37,049 |
| 2011 | $11,597 | 2,445 | 2,445 |
Note: Quantity represents Weight in kilograms
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