The chart presents the amount of energy produced by various sources in a country from 1985 to 2003. It includes resources such as natural gas, coal, hydrogen, nuclear energy, oil, and other renewable resources.
In both years, oil represents the largest share of energy production in the country, although its proportion decreased to 39% by 2003. In contrast, natural gas increased from 13% to 23% during the same period. Coal, on the other hand, saw a modest rise from 8% to 13% by 2003. Hydrogen remained consistently at 4% in both years.
Other renewable resources accounted for the smallest proportion in the chart, rising only from 1% to 4% over the years.