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 | $33,379,836 | 4,579,644 | 38,467 |
| 2006 | $36,564,641 | 3,696,562 | 11,454 |
| 2007 | $33,264,054 | 0 | 16,132 |
| 2008 | $95,092,612 | 7,012,209 | 0 |
| 2009 | $16,531,819 | 1,254,022 | 7,532 |
| 2010 | $51,171,331 | 3,703,590 | 0 |
| 2011 | $47,671,595 | 3,743,277 | 0 |
Note: Quantity represents Number of items
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