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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $34,435 | 1,409 | 977,200 |
| 2006 | $52,226 | 2,137 | 1,875,200 |
| 2007 | $35,237 | 0 | 586,000 |
| 2008 | $3,175,276 | 0 | 16,921,413,000 |
| 2009 | $11,472,687 | 353,232 | 41,180,071,788 |
| 2010 | $9,758,289 | 360,076 | 552,628,720,971 |
| 2011 | $7,247,696 | 190,921 | 62,733,119 |
Note: Quantity represents Number of items
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