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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $368,163,071 | 108,746,658 | 108,746,658 |
| 2006 | $395,267,273 | 106,469,681 | 106,469,681 |
| 2007 | $418,743,715 | 101,700,361 | 101,700,361 |
| 2008 | $441,265,859 | 94,745,336 | 94,745,336 |
| 2009 | $324,959,832 | 70,510,288 | 70,510,288 |
| 2010 | $432,781,174 | 81,782,800 | 81,782,800 |
| 2011 | $769,838,457 | 84,157,141 | 84,157,141 |
Note: Quantity represents Weight in kilograms
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