YearTrade ValueWeight (kg)Quantity
2005$4,349,080,847082,936,860
2006$3,905,140,969070,326,556
2007$3,158,391,810065,300,845
2008$5,160,127,721056,699,995
2009$2,329,704,959043,430,185
2010$2,821,787,404048,965,332
2011$4,316,878,514065,512,636
Note: Quantity represents Electrical energy in thousands of kilowatt-hours