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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $16,827,602 | 468,397,008 | 468,397,008 |
| 2006 | $16,420,721 | 452,137,992 | 452,137,992 |
| 2007 | $26,561,516 | 409,784,000 | 409,784,000 |
| 2008 | $27,587,031 | 1,622,248,810 | 1,622,248,810 |
| 2009 | $19,589,418 | 463,814,008 | 463,814,008 |
| 2010 | $24,479,160 | 469,348,000 | 469,348,000 |
| 2011 | $21,849,801 | 315,781,000 | 315,781,000 |
Note: Quantity represents Weight in kilograms
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