YearTrade ValueWeight (kg)Quantity
2006$122,746,94102,538,093
2007$38,091,0180642,033
2008$91,578,81101,099,804
2009$53,433,1240859,350
2010$53,896,1670983,507
2011$63,063,0160876,982
Note: Quantity represents Electrical energy in thousands of kilowatt-hours