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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $232,998,757 | 244,503,860 | 0 |
| 2006 | $243,921,816 | 251,325,194 | 562,680 |
| 2007 | $289,868,881 | 255,710,756 | 575,218 |
| 2008 | $294,186,991 | 245,026,057 | 552,284 |
| 2009 | $163,460,148 | 158,314,243 | 356,079 |
| 2010 | $193,844,943 | 190,902,190 | 431,667 |
| 2011 | $217,115,924 | 196,350,686 | 438,618 |
Note: Quantity represents No Quantity
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