English Name
Time
Details from Source
perc
ESS prtc*
ESS prtv*
Huber / Inglehart (1995)
NPUR
WhoGov
AP
MAPP
RUE
Mudde (2007)
ERE
ERKL
EIP
Poll of Polls
TULE
added: April 28, 2019, 5:59 p.m. — updated: March 12, 2021, 11:16 a.m.