2004 2005 2006 2007 2008 2009 2010 2011 2012 $0 $500,000 $1,000,000 $1,500,000 $2,000,000 $2,500,000
| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $150,559 | 10,224 | 10,224 |
| 2006 | $59,241 | 3,003 | 3,003 |
| 2007 | $1,066,472 | 92,820 | 92,820 |
| 2008 | $1,084,187 | 121,402 | 121,402 |
| 2009 | $699,491 | 55,996 | 55,996 |
| 2010 | $1,212,746 | 183,565 | 183,565 |
| 2011 | $2,027,985 | 239,811 | 239,811 |
Note: Quantity represents Weight in kilograms
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