2004 2005 2006 2007 2008 2009 2010 2011 2012 $0 $5,000,000 $10,000,000 $15,000,000 $20,000,000 $25,000,000
| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $11,404,542 | 318,741 | 147,023 |
| 2006 | $18,729,226 | 300,527 | 0 |
| 2007 | $21,468,982 | 329,345 | 0 |
| 2008 | $16,741,299 | 250,273 | 0 |
| 2009 | $20,923,078 | 279,404 | 0 |
| 2010 | $20,024,305 | 284,591 | 0 |
| 2011 | $18,794,103 | 349,355 | 0 |
Note: Quantity represents Number of items
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