2004 2005 2006 2007 2008 2009 2010 2011 2012 $0 $500,000 $1,000,000 $1,500,000 $2,000,000 $2,500,000 $3,000,000 $3,500,000
| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $806,325 | 575,638 | 575,638 |
| 2006 | $1,423,073 | 914,390 | 914,390 |
| 2007 | $1,899,603 | 1,085,187 | 1,085,187 |
| 2008 | $1,786,153 | 976,020 | 976,020 |
| 2009 | $1,832,348 | 971,303 | 971,303 |
| 2010 | $2,293,437 | 1,177,213 | 1,177,213 |
| 2011 | $3,052,835 | 1,629,546 | 1,629,546 |
Note: Quantity represents Weight in kilograms
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