1. 1970 General Election
2. February 1974 General Election
3. October 1974 General Election
4. 1979 General Election
5. 1983 General Election
6. 1997 General Election
7. 2001 General Election
8. 2005 General Election
9. 2010 General Election
10. 2015 General Election
11. 2019 General Election