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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $7,882,000 | 33,006,600 | 33,006,600 |
| 2006 | $12,661,000 | 48,814,100 | 48,814,100 |
| 2007 | $25,220,000 | 79,058,800 | 79,058,800 |
| 2008 | $62,555,000 | 151,049,000 | 151,049,000 |
| 2009 | $7,852,000 | 30,835,800 | 30,835,800 |
| 2010 | $13,824,000 | 43,041,700 | 43,041,700 |
| 2011 | $10,691,000 | 28,897,600 | 28,897,600 |
Note: Quantity represents Weight in kilograms
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