| Progress | Difficulty | Peak |
|---|---|---|
| Ep 1-7 | 3.17/5 | 4.31/5 |
| Ep 8-14 | 3.32/5 | 4.38/5 |
| Ep 15-21 | 3.25/5 | 4.39/5 |
| Ep 22-28 | 3.21/5 | 4.43/5 |
| Ep 29-35 | 3.32/5 | 4.22/5 |
| Ep 36-42 | 3.21/5 | 4.19/5 |
| Ep 43-49 | 3.30/5 | 4.25/5 |
| Ep 50-56 | 3.31/5 | 4.23/5 |
| Ep 57-63 | 3.40/5 | 4.24/5 |
| Ep 64-70 | 3.28/5 | 4.37/5 |
| Ep 71-77 | 3.31/5 | 4.45/5 |
| Ep 78-84 | 3.24/5 | 4.19/5 |
| Ep 85-91 | 3.31/5 | 4.28/5 |
| Ep 92-98 | 3.47/5 | 4.34/5 |
| Ep 99-105 | 3.30/5 | 4.62/5 |
| Ep 106-112 | 3.20/5 | 4.34/5 |
| Ep 113-119 | 3.15/5 | 4.16/5 |
| Ep 120-126 | 3.15/5 | 4.16/5 |
| Ep 127-133 | 3.08/5 | 4.18/5 |
| Ep 134-140 | 3.02/5 | 4.07/5 |
| Ep 141-147 | 3.32/5 | 4.15/5 |
| Ep 148-154 | 3.02/5 | 4.12/5 |
| Ep 155-161 | 3.08/5 | 4.44/5 |
| Ep 162-168 | 3.13/5 | 4.13/5 |
| Ep 169-171 | 3.27/5 | 4.11/5 |
| Overall | 3.23/5 | 4.62/5 |