# Name Parties Matches
Manifesto Project 5 5
Wikipedia 12 12
CLEA 15 15
CHISOLS 3 3
DPI 6 6
Kitschelt (2013) 3 3
PolCon 8 8
World Values Survey 5 5
Coppedge (1997) 15 15
CSES 4 4
Janda (1980) 2 2
LAEDA 9 9
Latinobarometer 8 8
PPLA (2009) 6 6