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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $69,995 | 14,271 | 14,271 |
| 2006 | $58,884 | 10,987 | 10,987 |
| 2007 | $106,490 | 36,130 | 36,130 |
| 2008 | $68,355 | 11,925 | 11,925 |
| 2009 | $186,377 | 18,261 | 18,261 |
| 2010 | $240,056 | 57,478 | 57,478 |
| 2011 | $437,418 | 93,201 | 93,201 |
Note: Quantity represents Weight in kilograms
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