2004 2005 2006 2007 2008 2009 2010 2011 2012 $0 $5,000,000 $10,000,000 $15,000,000 $20,000,000 $25,000,000
| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $18,777,105 | 128,495 | 260,965 |
| 2006 | $18,898,890 | 152,616 | 264,127 |
| 2007 | $22,710,420 | 201,187 | 289,800 |
| 2008 | $21,140,534 | 118,459 | 265,036 |
| 2009 | $14,019,266 | 119,235 | 165,229 |
| 2010 | $12,645,923 | 119,975 | 178,283 |
| 2011 | $17,202,192 | 56,494 | 186,301 |
Note: Quantity represents Number of items
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