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 | $3,928,131 | 841,696 | 266 |
| 2006 | $4,009,847 | 859,206 | 297 |
| 2007 | $5,080,460 | 820,195 | 364 |
| 2008 | $6,322,112 | 732,132 | 996 |
| 2009 | $13,987,092 | 1,770,182 | 756 |
| 2010 | $4,229,058 | 525,128 | 0 |
| 2011 | $8,456,339 | 1,195,050 | 400 |
Note: Quantity represents Number of items
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