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 $6,000,000
| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $1,210,158 | 2,307,969 | 2,307,969 |
| 2006 | $1,672,944 | 3,126,893 | 3,126,893 |
| 2007 | $2,636,255 | 4,242,258 | 4,242,258 |
| 2008 | $4,194,500 | 6,190,957 | 6,190,957 |
| 2009 | $2,604,789 | 6,716,644 | 6,716,644 |
| 2010 | $4,328,129 | 9,349,297 | 9,349,297 |
| 2011 | $5,407,471 | 9,862,748 | 9,862,748 |
Note: Quantity represents Weight in kilograms
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