| Progress | Difficulty | Peak |
|---|---|---|
| Ep 1-12 | 2.50/5 | 3.75/5 |
| Ep 13-24 | 2.20/5 | 3.71/5 |
| Ep 25-36 | 2.48/5 | 3.89/5 |
| Ep 37-48 | 2.89/5 | 3.86/5 |
| Ep 49-60 | 2.27/5 | 3.72/5 |
| Ep 61-72 | 2.42/5 | 3.90/5 |
| Ep 73-84 | 3.04/5 | 3.90/5 |
| Ep 85-96 | 2.66/5 | 4.02/5 |
| Ep 97-108 | 2.87/5 | 4.15/5 |
| Ep 109-120 | 2.59/5 | 4.18/5 |
| Ep 121-132 | 2.50/5 | 3.81/5 |
| Ep 133-144 | 2.59/5 | 3.92/5 |
| Ep 145-156 | 2.71/5 | 3.87/5 |
| Ep 157-168 | 3.14/5 | 4.06/5 |
| Ep 169-180 | 2.85/5 | 4.22/5 |
| Ep 181-192 | 3.17/5 | 4.15/5 |
| Ep 193-204 | 2.91/5 | 3.95/5 |
| Ep 205-216 | 3.12/5 | 4.25/5 |
| Ep 217-228 | 2.48/5 | 3.99/5 |
| Ep 229-240 | 3.01/5 | 4.05/5 |
| Ep 241-252 | 3.22/5 | 4.31/5 |
| Ep 253-264 | 2.42/5 | 3.95/5 |
| Ep 265-276 | 2.41/5 | 3.71/5 |
| Ep 277-288 | 3.07/5 | 4.00/5 |
| Ep 289-293 | 3.25/5 | 3.95/5 |
| Overall | 2.74/5 | 4.31/5 |