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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $2,109,564,000 | 40,518,964 | 0 |
| 2006 | $2,458,879,000 | 41,492,867 | 0 |
| 2007 | $2,663,400,000 | 44,831,555 | 0 |
| 2008 | $3,105,514,000 | 52,823,684 | 0 |
| 2009 | $2,968,264,000 | 53,531,486 | 0 |
| 2010 | $3,068,322,715 | 56,166,533 | 0 |
| 2011 | $3,508,682,825 | 61,581,620 | 0 |
Note: Quantity represents No Quantity
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