| Progress | Difficulty | Peak |
|---|---|---|
| Ep 1-24 | 1.18/5 | 4.13/5 |
| Ep 25-48 | 1.25/5 | 4.35/5 |
| Ep 49-72 | 1.23/5 | 4.39/5 |
| Ep 73-96 | 1.25/5 | 4.26/5 |
| Ep 97-120 | 1.23/5 | 4.27/5 |
| Ep 121-144 | 1.23/5 | 4.11/5 |
| Ep 145-168 | 1.19/5 | 4.11/5 |
| Ep 169-192 | 1.29/5 | 4.24/5 |
| Ep 193-216 | 1.31/5 | 4.20/5 |
| Ep 217-240 | 1.35/5 | 4.32/5 |
| Ep 241-264 | 1.23/5 | 4.44/5 |
| Ep 265-288 | 1.32/5 | 4.35/5 |
| Ep 289-312 | 1.23/5 | 4.32/5 |
| Ep 313-336 | 1.15/5 | 4.12/5 |
| Ep 337-360 | 1.58/5 | 4.07/5 |
| Ep 361-384 | 2.24/5 | 4.16/5 |
| Ep 385-408 | 1.55/5 | 4.16/5 |
| Ep 409-432 | 1.70/5 | 4.12/5 |
| Ep 433-456 | 2.14/5 | 4.24/5 |
| Ep 457-480 | 2.16/5 | 3.94/5 |
| Ep 481-504 | 2.12/5 | 4.01/5 |
| Ep 505-528 | 2.14/5 | 4.14/5 |
| Ep 529-552 | 2.13/5 | 3.99/5 |
| Ep 553-576 | 2.42/5 | 4.34/5 |
| Ep 577-597 | 2.18/5 | 4.23/5 |
| Overall | 1.59/5 | 4.44/5 |