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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $2,024,301,476 | 199,017,010 | 497,158,628 |
| 2006 | $2,244,424,807 | 220,658,197 | 533,173,345 |
| 2007 | $1,896,973,605 | 157,231,250 | 197,188,589 |
| 2008 | $1,708,613,198 | 180,866,599 | 151,262,353 |
| 2009 | $1,532,420,083 | 104,322,915 | 139,095,973 |
| 2010 | $1,811,757,625 | 156,724,452 | 152,937,058 |
| 2011 | $2,251,437,610 | 228,571,479 | 187,199,730 |
Note: Quantity represents Number of items
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