YearTrade ValueWeight (kg)Quantity
2005$89,547,39102,321,153
2006$45,023,1950989,347
2007$85,926,70101,268,590
2008$64,905,1030921,065
2009$38,412,7400651,162
2010$40,930,2410766,758
2011$47,584,4360775,778
Note: Quantity represents Electrical energy in thousands of kilowatt-hours