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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $409,010,426 | 2,188,392 | 2,240,693,780 |
| 2006 | $436,455,148 | 2,007,414 | 1,484,514,697 |
| 2007 | $468,280,265 | 1,972,674 | 1,192,885,250 |
| 2008 | $485,730,888 | 1,619,563 | 0 |
| 2009 | $434,101,318 | 1,496,901 | 1,111,495,667 |
| 2010 | $583,584,899 | 2,293,463 | 1,613,375,915 |
| 2011 | $604,687,348 | 2,321,882 | 2,323,687,372 |
Note: Quantity represents Number of items
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