Level 1 - 5 = 10 commanders
Level 6 - 10 = 15 commanders
Level 11 - 15 = 20 commanders
Level 16 - 20 = 25 commanders
Level 21 - 25 = 30 commanders
Level 26 - 30 = 35 commanders
Level 31 - 35 = 40 commanders
Level 36 - 40 = 45 commanders
Level 41 - 100 = 50 commanders