2004 2005 2006 2007 2008 2009 2010 2011 2012 $0 $2,000,000 $4,000,000 $6,000,000 $8,000,000
| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $3,359,417 | 573,175 | 573,175 |
| 2006 | $5,902,211 | 1,025,758 | 1,025,758 |
| 2007 | $5,031,581 | 836,251 | 836,251 |
| 2008 | $4,841,374 | 756,240 | 756,240 |
| 2009 | $2,506,147 | 441,162 | 441,162 |
| 2010 | $2,140,843 | 355,413 | 355,413 |
| 2011 | $6,793,560 | 803,366 | 803,366 |
Note: Quantity represents Weight in kilograms
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