| Progress | Difficulty | Peak |
|---|---|---|
| Ep 1-15 | 3.37/5 | 3.80/5 |
| Ep 16-30 | 3.34/5 | 4.03/5 |
| Ep 31-45 | 3.33/5 | 3.84/5 |
| Ep 46-60 | 3.39/5 | 4.02/5 |
| Ep 61-75 | 3.35/5 | 3.86/5 |
| Ep 76-90 | 3.33/5 | 3.85/5 |
| Ep 91-105 | 3.35/5 | 4.13/5 |
| Ep 106-120 | 3.28/5 | 3.94/5 |
| Ep 121-135 | 3.21/5 | 3.90/5 |
| Ep 136-150 | 3.36/5 | 4.20/5 |
| Ep 151-165 | 3.25/5 | 3.83/5 |
| Ep 166-180 | 3.33/5 | 3.88/5 |
| Ep 181-195 | 3.33/5 | 3.90/5 |
| Ep 196-210 | 3.26/5 | 4.06/5 |
| Ep 211-225 | 3.23/5 | 4.19/5 |
| Ep 226-240 | 3.22/5 | 4.31/5 |
| Ep 241-255 | 3.20/5 | 3.81/5 |
| Ep 256-270 | 3.37/5 | 4.31/5 |
| Ep 271-285 | 3.21/5 | 4.05/5 |
| Ep 286-300 | 3.31/5 | 4.50/5 |
| Ep 301-315 | 3.49/5 | 3.98/5 |
| Ep 316-330 | 3.47/5 | 4.59/5 |
| Ep 331-345 | 3.36/5 | 4.16/5 |
| Ep 346-360 | 3.47/5 | 4.57/5 |
| Ep 361-367 | 3.29/5 | 3.96/5 |
| Overall | 3.32/5 | 4.59/5 |