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 | $3,101,964 | 869,633 | 869,633 |
| 2006 | $3,077,047 | 977,934 | 977,934 |
| 2007 | $3,910,019 | 1,071,711 | 1,071,711 |
| 2008 | $3,917,972 | 1,157,090 | 1,157,090 |
| 2009 | $4,213,766 | 1,106,848 | 1,106,848 |
| 2010 | $4,456,533 | 844,097 | 844,097 |
| 2011 | $4,655,910 | 637,243 | 637,243 |
Note: Quantity represents Weight in kilograms
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