The Senate has 9 members, elected for a two year term in single-seat constituencies.

It has 360 members, elected for four year terms in single-seat constituencies.

It has 41 members, each elected to represent single-seat constituencies.

A single-seat constituency of this name has existed since the 1983 general election.

For the Senate, 237 single-seat constituencies were established, even if the assembly had 9 more members.

The Senate has 9 members, also serving four-year terms in single-seat constituencies.

For years there has been talk of doing away with the system and creating single-seat constituencies.

Since 2005 all 125 members are elected in single-seat constituencies.

Half the seats in that body are elected by single-seat constituencies.

For the Senate, 237 single-seat constituencies were established, even if the assembly had risen to 315 members.