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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $1,707,183,576 | 11,273,984 | 11,612,374 |
| 2006 | $1,498,488,742 | 8,617,562 | 10,523,403 |
| 2007 | $60,971,687 | 0 | 497,523 |
| 2008 | $63,105,161 | 0 | 314,864 |
| 2009 | $36,596,257 | 0 | 204,874 |
| 2010 | $22,082,438 | 0 | 70,169 |
| 2011 | $16,969,826 | 0 | 66,293 |
Note: Quantity represents Number of items
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