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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $182,631,622 | 1,762,853 | 5,746,958,389 |
| 2006 | $271,807,485 | 1,596,784 | 6,966,815,161 |
| 2007 | $411,620,411 | 2,082,782 | 8,887,760,737 |
| 2008 | $229,021,639 | 1,120,034 | 6,681,610,740 |
| 2009 | $142,250,435 | 735,632 | 7,997,964,588 |
| 2010 | $203,811,298 | 1,019,967 | 11,748,928,254 |
| 2011 | $168,731,538 | 660,608 | 10,192,791,305 |
Note: Quantity represents Number of items
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