2004 2005 2006 2007 2008 2009 2010 2011 2012 $0 $500,000 $1,000,000 $1,500,000 $2,000,000 $2,500,000 $3,000,000
| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $882,980 | 248,405 | 248,405 |
| 2006 | $1,700,912 | 321,816 | 321,816 |
| 2007 | $2,303,060 | 581,647 | 581,647 |
| 2008 | $1,298,470 | 322,288 | 322,288 |
| 2009 | $1,205,141 | 338,361 | 338,361 |
| 2010 | $1,588,310 | 429,152 | 429,152 |
| 2011 | $2,163,519 | 612,565 | 612,565 |
Note: Quantity represents Weight in kilograms
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