Which leagues use their bench hardest?

Substitutions per match, both sides together. The permitted number rose from three to five in 2020, and the record shows it.

Serie C (Brazil) uses its bench hardest: 9.74 changes a match.

Which leagues use their bench hardest?
League	Changes per match	Matches
1. Serie C Brazil	9.74	216
2. Serie B Brazil	9.68	380
3. Paulista - A1 Brazil	9.5	109
4. Paulista - A3 Brazil	9.49	150
5. Division Profesional - Clausura Paraguay	9.46	132
6. Serie B Italy	9.45	390
7. Serie A Brazil	9.42	380
8. Serie D Brazil	9.38	510
9. J2 League Japan	9.37	465
10. Ligat Ha'al Israel	9.37	240
11. Primera División Venezuela	9.35	223
12. Serie A Italy	9.34	380
13. Liga 3 Portugal	9.31	296
14. Segunda División Spain	9.29	468
15. Division Intermedia Paraguay	9.29	128
16. Segunda Liga Portugal	9.29	308
17. La Liga Spain	9.28	380
18. Primeira Liga Portugal	9.28	308
19. K League 2 South Korea	9.28	236
20. K League 1 South Korea	9.26	232
21. Division Profesional - Apertura Paraguay	9.26	132
22. 1. Division Cyprus	9.24	267
23. Segunda División Uruguay	9.21	231
24. Paulista - A2 Brazil	9.2	134
25. Premier League Egypt	9.15	305
26. Brasileiro Women Brazil	9.15	133
27. HNL Croatia	9.14	180
28. Bundesliga Germany	9.14	308
29. J3 League Japan	9.13	380
30. Primera División Costa Rica	9.12	276
31. Super League 1 Greece	9.12	239
32. Primera División RFEF - Group 2 Spain	9.08	380
33. 1. Division Denmark	9.04	192
34. Superliga Denmark	9.02	193
35. Liga MX Mexico	9	340
36. Primera División RFEF - Group 1 Spain	9	380
37. Liga I Romania	9	321
38. Premier League Armenia	8.98	180
39. 2. Bundesliga Germany	8.97	308
40. Liga Leumit Israel	8.97	297

Showing every competition. Major competitions only

League play only, for the same reason: extra time in a cup adds a substitution that league football never sees.