| Progress | Difficulty | Peak |
|---|---|---|
| Ep 1-15 | 2.09/5 | 4.49/5 |
| Ep 16-30 | 2.88/5 | 4.40/5 |
| Ep 31-45 | 3.17/5 | 4.56/5 |
| Ep 46-60 | 3.14/5 | 4.76/5 |
| Ep 61-75 | 2.92/5 | 4.49/5 |
| Ep 76-90 | 2.86/5 | 4.37/5 |
| Ep 91-105 | 3.25/5 | 4.55/5 |
| Ep 106-120 | 2.98/5 | 4.60/5 |
| Ep 121-135 | 2.80/5 | 4.29/5 |
| Ep 136-150 | 3.00/5 | 4.37/5 |
| Ep 151-165 | 3.06/5 | 4.55/5 |
| Ep 166-180 | 3.40/5 | 4.66/5 |
| Ep 181-195 | 3.37/5 | 4.62/5 |
| Ep 196-210 | 3.34/5 | 4.59/5 |
| Ep 211-225 | 3.18/5 | 4.52/5 |
| Ep 226-240 | 3.21/5 | 4.57/5 |
| Ep 241-255 | 3.36/5 | 4.66/5 |
| Ep 256-270 | 3.01/5 | 4.54/5 |
| Ep 271-285 | 3.13/5 | 4.60/5 |
| Ep 286-300 | 3.42/5 | 4.68/5 |
| Ep 301-315 | 2.74/5 | 4.61/5 |
| Ep 316-330 | 3.50/5 | 4.70/5 |
| Ep 331-345 | 3.20/5 | 4.66/5 |
| Ep 346-360 | 2.64/5 | 4.24/5 |
| Ep 361-366 | 3.17/5 | 4.38/5 |
| Overall | 3.07/5 | 4.76/5 |