# Years Size Links
Conservatives 1945–2017 49.7%
DUP 1992–2017 0.9%
GPEW 2015–2017 3.8%
Labour 1945–2017 48.8%
LibDems 1992–2017 23.0%
LiPa 1945–1987 19.3%
NP 1921–1969
NILP 1925–1969
PC 2015–2017 0.6%
SNP 1992–2017 4.7%
SF 1997–2017 0.7%
SDLP 2015–2015 0.3%
SDP 1983–1987 11.6%
UUP 1992–2015 0.8%
UP 1921–1973
UKIP 2001–2017 12.6%