2004 2005 2006 2007 2008 2009 2010 2011 2012 $0 $100,000 $200,000 $300,000 $400,000 $500,000
| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $352,996 | 2,422,167 | 2,422,167 |
| 2006 | $400,955 | 2,464,793 | 2,464,793 |
| 2007 | $178,476 | 1,374,127 | 1,374,127 |
| 2008 | $330,842 | 2,345,495 | 2,345,495 |
| 2009 | $234,718 | 1,088,447 | 1,088,447 |
| 2010 | $397,833 | 1,262,086 | 1,262,086 |
| 2011 | $426,874 | 1,064,836 | 1,064,836 |
Note: Quantity represents Weight in kilograms
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