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 $120,000,000
| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $29,250,360 | 449,928 | 3,877,228 |
| 2006 | $36,660,939 | 563,917 | 3,923,635 |
| 2007 | $39,536,442 | 502,749 | 3,812,825 |
| 2008 | $59,525,816 | 0 | 4,313,206 |
| 2009 | $61,545,506 | 580,224 | 9,180,051 |
| 2010 | $61,327,667 | 0 | 16,231,826 |
| 2011 | $92,547,891 | 858,533 | 18,853,088 |
Note: Quantity represents Number of items
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