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 | $414,136 | 51,166 | 51,166 |
| 2006 | $368,014 | 55,451 | 55,451 |
| 2007 | $401,361 | 61,148 | 61,148 |
| 2008 | $420,892 | 47,222 | 47,222 |
| 2009 | $199,807 | 22,539 | 22,539 |
| 2010 | $232,394 | 31,490 | 31,490 |
| 2011 | $285,363 | 34,034 | 34,034 |
Note: Quantity represents Weight in kilograms
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