The pie charts show the sources of electricity in the four countries from 2003 to 2008. Summarise the information by selecting and reporting the main features and making comparisons where relevant.

The pie charts show the sources of electricity in the four countries from 2003 to 2008. Summarise the information by selecting and reporting the main features and making comparisons where relevant.

The pie charts show the sources of electricity in the four countries from 2003 to 2008. Summarise the information by selecting and reporting the main features and making comparisons where relevant.