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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $131,913,725 | 2,602,649,616 | 2,602,649,616 |
| 2006 | $132,232,273 | 2,615,825,221 | 2,615,825,221 |
| 2007 | $160,335,414 | 2,377,209,034 | 2,377,209,034 |
| 2008 | $207,548,421 | 2,417,937,416 | 2,417,937,416 |
| 2009 | $21,333,714 | 37,201,596 | 37,201,596 |
| 2010 | $31,697,140 | 62,665,905 | 62,665,905 |
| 2011 | $24,413,480 | 45,146,444 | 45,146,444 |
Note: Quantity represents Weight in kilograms
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