English Name
Time
Details from Source
PZU
Manifesto Project
Wikipedia
missing
CLEA
PaofGrofUk
V-Party
Wikipedia tags
ESS prtc*
ESS prtv*
WhoGov
World Values Survey
CSES-IMD
Elections Global
KUREP (2012)
added: Aug. 19, 2014, 6:50 p.m. — updated: March 12, 2021, 11:15 a.m.