# Years Size Links
ADN 1979–2002 32.9%
CC 2018–2018 36.5%
FSB 1937–2018 7.4%
UN 2005–2018 9.5%
FRI 1979–1980 5.9%
MSM 1999–2014 4.9%
MAS 2005–2018 49.3%
MBL 1985–2018 5.4%
MIR 1971–2018 17.5%
MDS 2013–2018
MIP 2000–2005 5.7%
MNR 1942–2018 21.8%
MPC 1966–1979
NFR 1995–2018 18.3%
PCB 1950–2003
PIR 1940–1964 32.4%
PURS 1946–1978 40.5%
PDC 1954–2018 9.2%
LP 1883–1978 71.5%
PN 1926–1936 41.0%
PRG 1921–1946 23.6%
PRA 1959–1980 2.8%
PSU 1978–2002 2.8%
PVB 2007–2018 3.2%
Podemos 2005–2009 28.4%
UCS 1989–2018 15.1%