Total Consumption and Composition of Energy
Category	2011	2012	2013	2014	2015
Energy Consumption	31211.8	32686.7	34234.9	35362.6	36759.2
(10 000 tons of SCE)
Composition
Coal                                   (%)	79.60	80.22	79.74	80.75	79.48
Crude Oil                           (%)	17.12	15.94	16.29	14.89	15.87
Electricity                          (%)	0.17	0.24	0.34	0.38	0.57
Others                               (%)	3.11	3.60	3.63	3.98	4.08
a)Data of standard coal equivalent is calculated on the basis of heat value equivalent.