2004 2005 2006 2007 2008 2009 2010 2011 2012 $0 $1,000 $2,000 $3,000 $4,000 $5,000
| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $511 | 373 | 373 |
| 2006 | $542 | 396 | 396 |
| 2007 | $1,948 | 1,442 | 1,442 |
| 2008 | $3,910 | 2,735 | 2,735 |
| 2009 | $3,793 | 2,044 | 2,044 |
| 2010 | $698 | 407 | 407 |
| 2011 | $2,000 | 931 | 931 |
Note: Quantity represents Weight in kilograms
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