# Years Size Links
ally 1988–1988 16.4%
CDP 1985–1988 15.1%
HRPP 1979–2011 73.5%
indep 1979–2006 54.3%
SDUP 2006–2006 26.1%
SNDP 1991–2001 26.1%
TSP 2011–2011 26.5%
TPU 1979–1982 24.3%