IEA (2023), Energy intensity progress, number of years above 2%, 3% and 4% for G20 countries, 2010-2022, IEA, Paris https://www.iea.org/data-and-statistics/charts/energy-intensity-progress-number-of-years-above-2-3-and-4-for-g20-countries-2010-2022, Licence: CC BY 4.0