Supply and demand of primary and secondary energy in terajoules, annual

Primary and secondary energy by fuel type in terajoules (coal, natural gas, steam, etc.) and supply and demand characteristics (production, exports, imports, inter-regional transfers, etc.).

各类燃料（煤炭、天然气、蒸汽等）的初级和次级能量单位为太焦耳，以及供应与需求特征（生产、出口、进口、区域间转移等）。