Energy per $1000 GDP - country data from around the world:
The average for 2014 was 112.51 kilograms of oil equivalent.
The highest value was in Iceland: 426.14 kilograms of oil equivalent and the lowest value was in Switzerland: 55.63 kilograms of oil equivalent.
Below is a chart for all countries where data are available for: Energy per $1000 GDP.
World bank definition: Energy use per PPP GDP is the kilogram of oil equivalent of energy use per constant PPP GDP. Energy use refers to use of primary energy before transformation to other end-use fuels, which is equal to indigenous production plus imports and stock changes, minus exports and fuels supplied to ships and aircraft engaged in international transport. PPP GDP is gross domestic product converted to 2011 constant international dollars using purchasing power parity rates. An international dollar has the same purchasing power over GDP as a U.S. dollar has in the United States.