2004 2005 2006 2007 2008 2009 2010 2011 2012 $0 $100,000 $200,000 $300,000 $400,000 $500,000 $600,000
| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $136,234 | 27,521 | 27,521 |
| 2006 | $328,447 | 156,450 | 156,450 |
| 2007 | $92,738 | 5,289 | 5,289 |
| 2008 | $149,861 | 68,025 | 68,025 |
| 2009 | $218,226 | 38,568 | 38,568 |
| 2010 | $462,124 | 103,554 | 103,554 |
| 2011 | $536,423 | 180,284 | 180,284 |
Note: Quantity represents Weight in kilograms
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