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.

Druha Liga (Ukraine) uses its bench hardest: 8.12 changes a match.

Which leagues use their bench hardest?
League	Changes per match	Matches
1. Druha Liga Ukraine	8.12	110
2. 1. Division Belarus	7.51	200
3. Erovnuli Liga 2 Georgia	7.31	340
4. Persha Liga Ukraine	7.06	226
5. Esiliiga A Estonia	6.61	180
6. Premier League Armenia	6.19	101
7. Primeira Liga Portugal	5.89	305
8. Super League 1 Greece	5.88	292
9. Serie B Brazil	5.87	379
10. Serie A Italy	5.86	380
11. Primera División Uruguay	5.85	120
12. Serie C Brazil	5.85	178
13. Primera División Venezuela	5.84	311
14. La Liga Spain	5.83	380
15. 1. Lig Türkiye	5.83	311
16. Serie A Brazil	5.82	380
17. Bundesliga Austria	5.8	179
18. Süper Lig Türkiye	5.8	306
19. Football League Greece	5.8	378
20. 2. Lig Türkiye	5.78	342
21. Primera B Metropolitana Argentina	5.77	115
22. 2. Bundesliga Germany	5.76	306
23. NB II Hungary	5.76	214
24. 2. Liga Austria	5.71	180
25. Bundesliga Germany	5.71	306
26. J2 League Japan	5.71	449
27. NB I Hungary	5.7	239
28. Superliga Albania	5.69	170
29. Erovnuli Liga Georgia	5.69	231
30. Segunda División Uruguay	5.67	192
31. Ligue 1 France	5.65	380
32. 3. Liga Germany	5.64	379
33. Superliga Denmark	5.64	198
34. Premier League Kazakhstan	5.61	186
35. Major League Soccer United States	5.6	338
36. J1 League Japan	5.6	287
37. Liga Nacional Guatemala	5.6	156
38. 1. Division Denmark	5.59	170
39. Jupiler Pro League Belgium	5.59	302
40. Liga Nacional Honduras	5.57	138

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.