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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $124,673,304 | 160,025,766 | 160,025,766 |
| 2006 | $113,994,600 | 183,294,112 | 183,294,112 |
| 2007 | $226,932,517 | 274,323,485 | 274,323,485 |
| 2008 | $296,771,128 | 266,510,565 | 266,510,565 |
| 2009 | $132,696,342 | 253,103,681 | 253,103,681 |
| 2010 | $193,399,466 | 300,959,964 | 300,959,964 |
| 2011 | $265,278,444 | 386,279,957 | 386,279,957 |
Note: Quantity represents Weight in kilograms
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