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 | $3,218,461 | 1,733,151 | 1,733,151 |
| 2006 | $3,970,925 | 1,604,234 | 1,604,234 |
| 2007 | $4,625,505 | 1,940,996 | 1,940,996 |
| 2008 | $4,482,023 | 1,637,746 | 1,637,746 |
| 2009 | $4,221,558 | 1,326,156 | 1,326,156 |
| 2010 | $2,733,498 | 973,411 | 973,411 |
| 2011 | $1,609,447 | 435,954 | 435,954 |
Note: Quantity represents Weight in kilograms
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