| Progress | Difficulty | Peak |
|---|---|---|
| Ep 1-12 | 2.51/5 | 3.75/5 |
| Ep 13-24 | 2.20/5 | 3.71/5 |
| Ep 25-36 | 2.52/5 | 3.89/5 |
| Ep 37-48 | 2.91/5 | 3.86/5 |
| Ep 49-60 | 2.29/5 | 3.72/5 |
| Ep 61-72 | 2.45/5 | 3.90/5 |
| Ep 73-84 | 3.05/5 | 3.90/5 |
| Ep 85-96 | 2.67/5 | 4.02/5 |
| Ep 97-108 | 2.92/5 | 4.15/5 |
| Ep 109-120 | 2.57/5 | 4.18/5 |
| Ep 121-132 | 2.58/5 | 3.81/5 |
| Ep 133-144 | 2.58/5 | 3.92/5 |
| Ep 145-156 | 2.73/5 | 3.87/5 |
| Ep 157-168 | 3.14/5 | 4.06/5 |
| Ep 169-180 | 2.88/5 | 4.22/5 |
| Ep 181-192 | 3.20/5 | 4.15/5 |
| Ep 193-204 | 2.95/5 | 3.95/5 |
| Ep 205-216 | 3.11/5 | 4.25/5 |
| Ep 217-228 | 2.51/5 | 3.99/5 |
| Ep 229-240 | 3.02/5 | 4.05/5 |
| Ep 241-252 | 3.22/5 | 4.31/5 |
| Ep 253-264 | 2.45/5 | 3.95/5 |
| Ep 265-276 | 2.43/5 | 3.71/5 |
| Ep 277-288 | 3.08/5 | 4.00/5 |
| Ep 289-293 | 3.27/5 | 3.95/5 |
| Overall | 2.76/5 | 4.31/5 |