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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $606,947,060 | 20,616,342 | 20,616,342 |
| 2006 | $660,250,049 | 23,243,379 | 23,243,379 |
| 2007 | $758,637,162 | 28,000,028 | 28,000,028 |
| 2008 | $880,354,129 | 31,111,951 | 31,111,951 |
| 2009 | $620,611,074 | 19,316,970 | 19,316,970 |
| 2010 | $1,251,163,819 | 38,836,669 | 38,836,669 |
| 2011 | $1,646,118,315 | 50,012,640 | 50,012,640 |
Note: Quantity represents Weight in kilograms
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