2004 2005 2006 2007 2008 2009 2010 2011 2012 $0 $20,000,000 $40,000,000 $60,000,000 $80,000,000 $100,000,000
| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $20,812,028 | 1,622,866 | 1,622,866 |
| 2006 | $74,120,801 | 3,843,972 | 3,843,972 |
| 2007 | $82,294,520 | 3,872,467 | 3,872,467 |
| 2008 | $5,410,977 | 374,709 | 374,709 |
| 2009 | $6,615,392 | 626,412 | 626,412 |
| 2010 | $3,738,344 | 234,739 | 234,739 |
| 2011 | $4,919,924 | 408,260 | 408,260 |
Note: Quantity represents Weight in kilograms
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