2004 2005 2006 2007 2008 2009 2010 2011 2012 $0 $2,000 $4,000 $6,000 $8,000
| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $542 | 309 | 309 |
| 2006 | $1,920 | 2,280 | 2,280 |
| 2007 | $6,731 | 7,211 | 7,211 |
| 2008 | $2,589 | 4,029 | 4,029 |
| 2009 | $1,143 | 2,359 | 2,359 |
| 2010 | $3,796 | 5,076 | 5,076 |
| 2011 | $6,753 | 7,875 | 7,875 |
Note: Quantity represents Weight in kilograms
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