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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $909,475,518 | 2,803,246 | 31 |
| 2006 | $699,990,012 | 2,807,351 | 34 |
| 2007 | $957,359,604 | 2,267,910 | 30 |
| 2008 | $707,712,076 | 1,989,778 | 20 |
| 2009 | $461,209,193 | 1,569,741 | 21 |
| 2010 | $421,738,166 | 1,104,552 | 30 |
| 2011 | $399,875,916 | 623,605 | 28 |
Note: Quantity represents Number of items
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