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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $87,331,000 | 3,043,900 | 3,199 |
| 2006 | $267,158,000 | 9,747,200 | 9,786 |
| 2007 | $458,282,000 | 18,394,600 | 14,704 |
| 2008 | $132,516,000 | 4,301,400 | 3,677 |
| 2009 | $39,229,000 | 1,115,900 | 934 |
| 2010 | $27,662,000 | 567,200 | 727 |
| 2011 | $19,489,000 | 338,500 | 538 |
Note: Quantity represents Number of items
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