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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $759,983,986 | 157,062,095 | 157,062,095 |
| 2006 | $973,985,985 | 199,696,106 | 199,696,106 |
| 2007 | $1,045,169,859 | 195,124,668 | 195,124,668 |
| 2008 | $1,144,838,330 | 206,117,536 | 206,117,536 |
| 2009 | $673,288,040 | 140,875,727 | 140,875,727 |
| 2010 | $916,737,176 | 183,455,132 | 183,455,132 |
| 2011 | $1,073,609,546 | 199,855,427 | 199,855,427 |
Note: Quantity represents Weight in kilograms
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