2004 2005 2006 2007 2008 2009 2010 2011 2012 $0 $5,000,000 $10,000,000 $15,000,000 $20,000,000
| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $3,490,002 | 0 | 183,932 |
| 2006 | $6,550,757 | 0 | 238,884 |
| 2007 | $4,284,125 | 0 | 201,586 |
| 2008 | $5,919,643 | 0 | 243,235 |
| 2009 | $5,660,944 | 0 | 253,265 |
| 2010 | $6,286,612 | 0 | 348,227 |
| 2011 | $14,783,706 | 0 | 617,986 |
Note: Quantity represents Number of items
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