2004 2005 2006 2007 2008 2009 2010 2011 2012 $0 $200,000 $400,000 $600,000 $800,000 $1,000,000
| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $415,351 | 90,868 | 90,868 |
| 2006 | $415,092 | 54,064 | 54,064 |
| 2007 | $506,933 | 87,735 | 87,735 |
| 2008 | $826,222 | 100,845 | 100,845 |
| 2009 | $641,886 | 82,363 | 82,363 |
| 2010 | $293,150 | 33,076 | 33,076 |
| 2011 | $223,119 | 42,457 | 42,457 |
Note: Quantity represents Weight in kilograms
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