# Name Parties Matches
Wikipedia 20 20
CLEA 30 30
CHISOLS 21 21
DPI 17 17
Kitschelt (2013) 6 6
PolCon 14 14
Coppedge (1997) 22 22
Janda (1980) 5 5
LAEDA 13 13
Latinobarometer 16 16
PPLA (2009) 11 11