# Years Size Links
NT 1996–1996
PD 1993–1994
PEP 1983–1990
NDP 1995–2013
ND 1983–1985
SP 1993–2002
INDEPENDENT 1966–2016
NAP 1989–2004
MASS 1989–1997
PF 1975–1975
PDP 1989–1997
PCT 1975–2005
PKS 1975–2011
PCP 2012–2013
PTP 2009–2013
BJT 2009–2011
TCP 1983–1998
PP 1976–2011
PPD 2009–2009
UTP 1981–1986
SNP 1975–1976
S 1975–1975
L 1995–1995
TRT 2001–2006
SJP 1975–1976