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 | $203,238 | 37,728 | 37,728 |
| 2006 | $297,497 | 47,412 | 47,412 |
| 2007 | $343,656 | 50,464 | 50,464 |
| 2008 | $473,297 | 62,342 | 62,342 |
| 2009 | $357,701 | 33,240 | 33,240 |
| 2010 | $503,707 | 42,376 | 42,376 |
| 2011 | $742,883 | 57,043 | 57,043 |
Note: Quantity represents Weight in kilograms
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