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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $8,066,647 | 184,183,305 | 184,183,305 |
| 2006 | $8,904,713 | 285,914,613 | 285,914,613 |
| 2007 | $3,727,030 | 294,312,805 | 294,312,805 |
| 2008 | $4,903,104 | 523,517,248 | 523,517,248 |
| 2009 | $6,476,926 | 696,940,671 | 696,940,671 |
| 2010 | $5,793,930 | 319,740,817 | 319,740,817 |
| 2011 | $4,482,437 | 232,490,717 | 232,490,717 |
Note: Quantity represents Weight in kilograms
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