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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $115,196,792 | 161,115,359 | 161,115,359 |
| 2006 | $140,325,090 | 213,643,894 | 213,643,894 |
| 2007 | $147,530,787 | 172,719,658 | 172,719,658 |
| 2008 | $245,667,786 | 181,426,788 | 181,426,788 |
| 2009 | $163,647,026 | 178,939,823 | 178,939,823 |
| 2010 | $246,017,902 | 232,087,012 | 232,087,012 |
| 2011 | $478,332,849 | 242,767,633 | 242,767,633 |
Note: Quantity represents Weight in kilograms
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