The charts below show the top of creation of the energy produced from different sources in a country in between 1985 and 2003

The pie charts give information about how much energy produced from various sources in a country In 1985 and 2003. The data is in percentage.

Overall, it is seen clearly from the graphs most of the energy was produced from the oil in both years, while renewable energy source was the least popular for generating energy.

Looking at the charts in more detail, it is evident that, the amount of energy, which generated from oil decrease from 50% in 1985 to 39% in 2003. Moreover, 13% of energy made from natural gas in 1985, but that percentage increased to 23% in 2003. The energy produced from hydrogen remains the same at 4% in both years.

Turning to the remaining data, the amount of energy, which manufactured from nuclear reduced from 20% in 1985 to 17% in 2003. The use of coal increased for generating energy from 8% in 1985 to 13% in 2003.