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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $3,420,746,758 | 252,456,100 | 201,260 |
| 2006 | $3,533,103,944 | 254,617,800 | 172,053 |
| 2007 | $3,794,209,821 | 249,823,500 | 165,813 |
| 2008 | $3,735,683,874 | 225,458,400 | 149,660 |
| 2009 | $3,201,006,063 | 205,895,400 | 137,341 |
| 2010 | $3,666,794,986 | 239,884,400 | 159,777 |
Note: Quantity represents Number of items
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