2004 2005 2006 2007 2008 2009 2010 2011 2012 $0 $2,000,000 $4,000,000 $6,000,000 $8,000,000 $10,000,000 $12,000,000 $14,000,000
| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $1,925,585 | 10,726 | 10,726 |
| 2006 | $5,144,357 | 16,992 | 16,992 |
| 2007 | $12,070,699 | 35,355 | 35,355 |
| 2008 | $11,284,351 | 30,521 | 30,521 |
| 2009 | $7,399,263 | 26,078 | 26,078 |
| 2010 | $8,885,205 | 32,053 | 32,053 |
| 2011 | $10,884,133 | 31,846 | 31,846 |
Note: Quantity represents Weight in kilograms
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