All 55 councillors were elected from 26 wards in elections held every four years.

Since the last boundary changes in 1999, 56 councillors have been elected from 31 wards.

Its members are elected from 19 wards to four-year terms.

The city council is elected from three wards and serves four-year terms.

The council is run by 22 councillors elected from 6 wards.

Since the last boundary changes in 2003, 55 councillors have been elected from 34 wards.

Since the last boundary changes in 2000, 45 councillors have been elected from 23 wards.

Since the last boundary changes in 2002, 40 councillors have been elected from 20 wards.

Since the last boundary changes in 2004, 90 councillors have been elected from 30 wards.

The council is made up of 81 councillors who are elected from 27 wards.