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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $453,457,616 | 104,701,950 | 32,375,629 |
| 2006 | $518,615,713 | 119,746,751 | 36,387,205 |
| 2007 | $585,280,974 | 128,610,263 | 35,658,089 |
| 2008 | $696,691,090 | 125,620,140 | 32,411,513 |
| 2009 | $694,809,207 | 110,123,516 | 38,251,098 |
| 2010 | $899,342,233 | 146,102,391 | 46,383,623 |
| 2011 | $1,097,695,418 | 195,229,373 | 49,725,995 |
Note: Quantity represents Number of items
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