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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $577,529,577 | 142,564,694 | 7,991 |
| 2006 | $632,120,589 | 95,618,464 | 12,255 |
| 2007 | $402,444,681 | 53,510,008 | 6,191 |
| 2008 | $394,576,266 | 52,409,594 | 5,488 |
| 2009 | $110,317,799 | 12,875,997 | 1,034 |
| 2010 | $226,881,620 | 27,138,004 | 3,144 |
| 2011 | $417,240,246 | 49,082,708 | 4,910 |
Note: Quantity represents Number of items
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