2004 2005 2006 2007 2008 2009 2010 2011 2012 $0 $1,000,000 $2,000,000 $3,000,000 $4,000,000 $5,000,000
| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $1,903,773 | 1,646,652 | 1,646,652 |
| 2006 | $1,344,647 | 929,091 | 929,091 |
| 2007 | $3,313,513 | 1,891,836 | 1,891,836 |
| 2008 | $4,420,920 | 2,283,692 | 2,283,692 |
| 2009 | $1,778,578 | 885,919 | 885,919 |
| 2010 | $2,406,358 | 1,172,074 | 1,172,074 |
| 2011 | $3,053,003 | 1,408,017 | 1,408,017 |
Note: Quantity represents Weight in kilograms
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