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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $388,209,002 | 895,250 | 895,250 |
| 2006 | $482,724,527 | 760,908 | 760,908 |
| 2007 | $600,321,075 | 941,217 | 941,217 |
| 2008 | $629,170,793 | 904,314 | 904,314 |
| 2009 | $407,370,327 | 679,708 | 679,708 |
| 2010 | $543,287,932 | 1,029,384 | 1,029,384 |
| 2011 | $660,111,165 | 1,102,099 | 1,102,099 |
Note: Quantity represents Weight in kilograms
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