YearTrade ValueWeight (kg)Quantity
2005$13,860,12000
2006$18,429,30600
2007$108,527,339400
2008$231,209,83210,85410,854
2009$470,827,84116,94916,949
2010$576,917,96522,04322,043
2011$440,940,25400
Note: Quantity represents No Quantity