YearTrade ValueWeight (kg)Quantity
2005$100,345,495481,971,037
2006$193,174,99404,939,985
2007$96,431,80702,279,723
2008$214,765,68102,644,295
2009$381,733,92102,663,453
2010$60,161,38601,407,211
2011$83,704,0350996,752
Note: Quantity represents Electrical energy in thousands of kilowatt-hours