# Years Size Links
ARENA 1966–1979 50.4%
PRF 1888–1927
MDB 1965–1981 49.6%
PCB 1922–2018 8.6%
PCdoB 1962–2018 2.8%
PC 1836–1989
PFL 1985–2018 17.7%
PRNPTC 1985–2018 8.3%
PRPL 2006–2018 7.6%
PSDB 1988–2018 17.5%
PDC 1945–1993 5.5%
PDS 1979–1993 43.2%
PDT 1979–2018 10.0%
PRONA 1990–2006 2.1%
PRP 1945–1965 2.4%
PMDB 1980–2018 47.8%
PT 1980–2018 18.4%
PHS 1995–2018 1.0%
PPS 1992–2018 3.9%
PPB 1995–2018 11.3%
PPR 1993–1995 9.2%
PRTB 1994–2018 46.0%
PRB 2005–2018 4.5%
PRC 1910–1930 98.6%
PROS 2010–2018 2.0%
PRM 1888–1937
PRP 1873–1937
PSC 1985–2018 3.1%
PSD 1945–1965 42.7%
PSD 2011–2018 6.1%
PSOL 2004–2018 1.8%
PSB 1947–2018 7.0%
PSL 1994–2018 11.7%
PTB 1981–2018 24.8%
PTN 1945–2018 2.9%
PV 1986–2018 3.8%
SD 2013–2018 2.8%
UDN 1945–1965 32.5%