Which leagues send players off most?

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

Primera División (Perù) sends players off more often than any other: 0,449 red cards a match.

Which leagues send players off most?
League	Reds per match	Matches
1. Primera División Perù	0.449	352
2. Primera División Cile	0.385	239
3. Primera División de México Messico	0.349	327
4. Liga Portugal Portogallo	0.332	301
5. Serie B Brasile	0.316	266
6. Categoría Primera A Colombia	0.312	404
7. Liga Profesional Argentina Argentina	0.304	319
8. Liga I Romania	0.3	240
9. Ligue 2 Francia	0.273	366
10. Ligue 1 Francia	0.272	367
11. Serie B Italia	0.269	335
12. Serie A Brasile	0.268	377
13. Prem'er-Liha Ucraina	0.266	177
14. Segunda División Spagna	0.261	440
15. Süper Lig Turchia	0.259	305
16. Lega saudita professionistica Arabia Saudita	0.254	236
17. Prem'er-Liga Russia	0.244	238
18. Serie A Italia	0.241	374
19. Eredivisie Paesi Bassi	0.239	284
20. TFF 1. Lig Turchia	0.236	237
21. Pro League Belgio	0.234	265
22. Major League Soccer Stati Uniti	0.229	393
23. Premiership Scozia	0.223	211
24. A-League Men Australia	0.221	136
25. Super League Cina	0.216	236
26. Campionato greco di calcio Grecia	0.215	237
27. LaLiga Spagnola Spagna	0.208	379
28. 1. Division Cipro	0.208	173
29. First League Bulgaria	0.205	205
30. 2. Fußball-Bundesliga Germania	0.196	301
31. Superligaen Danimarca	0.18	222
32. Ekstraklasa Polonia	0.178	276
33. Football League Two Inghilterra	0.175	513
34. 3. Liga Germania	0.171	346
35. Bundesliga Austria	0.168	190
36. Football League One Inghilterra	0.164	529
37. Campionato finlandese di calcio Finlandia	0.154	156
38. 2. Liga Austria	0.148	237
39. Championship Inghilterra	0.147	529
40. Fußball-Bundesliga Germania	0.141	297

Showing every competition. Major competitions only

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.