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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $2,846,257 | 16,236,070 | 16,236,070 |
| 2006 | $40,690,121 | 187,322,430 | 187,322,430 |
| 2007 | $23,507,726 | 518,296,420 | 518,296,420 |
| 2008 | $413,928,445 | 1,068,114,792 | 1,068,114,792 |
| 2009 | $1,069,549,669 | 4,366,655,553 | 4,366,655,553 |
| 2010 | $1,037,188,295 | 3,939,888,036 | 3,939,888,036 |
| 2011 | $1,246,360,071 | 4,014,876,859 | 4,014,876,859 |
Note: Quantity represents Weight in kilograms
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