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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $4,172,000 | 256,500 | 256,500 |
| 2006 | $3,740,000 | 241,594 | 241,594 |
| 2007 | $700,000 | 40,959 | 40,959 |
| 2008 | $489,000 | 24,851 | 24,851 |
| 2009 | $605,000 | 172,685 | 172,685 |
| 2010 | $841,000 | 249,300 | 249,300 |
| 2011 | $971,000 | 222,358 | 222,358 |
Note: Quantity represents Weight in kilograms
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