English Name
Time
Details from Source
perc
ESS prtc*
ESS prtv*
Huber / Inglehart (1995)
NPUR
WhoGov
AP
MAPP
EKP
RUE
Mudde (2007)
ERE
ERKL
Poll of Polls
TULE
added: July 13, 2019, 9:37 p.m. — updated: March 12, 2021, 11:16 a.m.