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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $146,973,493 | 12,106,028 | 12,106,028 |
| 2006 | $213,819,778 | 17,612,075 | 17,612,075 |
| 2007 | $337,422,371 | 25,176,707 | 25,176,707 |
| 2008 | $489,484,413 | 33,520,200 | 33,520,200 |
| 2009 | $464,158,843 | 28,370,740 | 28,370,740 |
| 2010 | $693,352,333 | 89,005,535 | 89,005,535 |
| 2011 | $848,498,729 | 103,130,571 | 103,130,571 |
Note: Quantity represents Weight in kilograms
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