 In 2012, primary energy demand increased to 158,000 TWh (567 EJ).Energy consumption in the G20 increased by more than 5% in 2010 after a slight decline of 2009.In 2009, world energy consumption decreased for the first time in 30 years by 1.1%, or about 130 million tonnes of oil equivalent (Mtoe), as a result of the financial and economic crisis, which reduced world GDP by 0.6% in 2009.