# Years Size Links
BIS 1994–2006 2.5%
PLD 1973–2018 46.4%
PD 1931–1962 93.0%
PQDC 1970–2002 13.6%
PR 1963–1984 56.4%
PRSC 1962–2018 40.5%
PRD 1939–2018 56.7%
PRM 2014–2018 20.4%
PR 1865–1930