# Name Years Size Links
PAN 1961–1994
PARM 1961–1994
PRD 1991–1994
PFCRN 1988–1994
PDM 1979–1994
PT 1991–1994
PPS 1961–1994
PRT 1982–1991
PRI 1961–1994
PST 1979–1985
PSUM 1982–1985