Which leagues send players off most?

Red cards per match. The answer is a continent, not a country.

Primera División de México (Meksika) sends players off more often than any other: 0,368 red cards a match.

Which leagues send players off most?
League	Reds per match	Matches
1. Primera División de México Meksika	0.368	334
2. İsviçre Süper Ligi İsviçre	0.326	230
3. Segunda División İspanya	0.288	462
4. Yunanistan Süper Ligi Yunanistan	0.287	230
5. La Liga İspanya	0.28	375
6. Liga Profesional Argentina Arjantin	0.276	504
7. Ligue 2 Fransa	0.262	302
8. Avusturya Bundesliga Avusturya	0.258	190
9. Serie A Brezilya	0.253	375
10. Fransa Ligue 1 Fransa	0.253	300
11. Devrî'l-Muhterifin es-Suudî Suudi Arabistan	0.252	302
12. Portekiz Süper Ligi Portekiz	0.247	304
13. Rossiyskaya Premyer-Liga Rusya	0.246	244
14. Serie B İtalya	0.239	385
15. Super Liga Sırbistan	0.226	287
16. Süper Lig Türkiye	0.22	300
17. Super League Çin	0.218	234
18. HNL Hırvatistan	0.216	171
19. Liga I Romanya	0.2	315
20. Belçika Birinci Ligi Belçika	0.197	314

Showing the major competitions. Include every competition

Second yellows count as the red they produce, exactly as the provider records them. Cups are left out: a cup draws an amateur side against a champion, which is a different game.