# Name Parties Matches
Manifesto Project 10 10
Wikipedia 43 43
CLEA 32 32
CHISOLS 10 10
DPI 14 14
Huber / Inglehart (1995) 9 9
Kitschelt (2013) 11 11
PolCon 18 18
World Values Survey 9 9
Coppedge (1997) 27 27
CSES 23 23
LAEDA 16 16
Latinobarometer 16 16
MAPP 9 9
PPLA (2009) 15 15