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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $139,565,310 | 28,876,064 | 28,876,064 |
| 2006 | $203,002,143 | 33,352,570 | 33,352,570 |
| 2007 | $445,104,986 | 59,389,537 | 59,389,537 |
| 2008 | $483,338,905 | 70,953,883 | 70,953,883 |
| 2009 | $277,134,633 | 61,098,444 | 61,098,444 |
| 2010 | $454,094,648 | 91,287,957 | 91,287,957 |
| 2011 | $514,955,286 | 82,927,537 | 82,927,537 |
Note: Quantity represents Weight in kilograms
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