| Progress | Difficulty | Peak |
|---|---|---|
| Ep 1-13 | 2.99/5 | 4.47/5 |
| Ep 14-26 | 2.87/5 | 4.15/5 |
| Ep 27-39 | 2.68/5 | 4.43/5 |
| Ep 40-52 | 2.74/5 | 4.52/5 |
| Ep 53-65 | 2.99/5 | 4.47/5 |
| Ep 66-78 | 3.03/5 | 4.76/5 |
| Ep 79-91 | 2.95/5 | 4.54/5 |
| Ep 92-104 | 2.84/5 | 4.76/5 |
| Ep 105-117 | 3.39/5 | 4.88/5 |
| Ep 118-130 | 3.23/5 | 4.94/5 |
| Ep 131-143 | 3.04/5 | 4.74/5 |
| Ep 144-156 | 2.49/5 | 4.56/5 |
| Ep 157-169 | 3.13/5 | 4.75/5 |
| Ep 170-182 | 3.05/5 | 4.68/5 |
| Ep 183-195 | 2.93/5 | 4.64/5 |
| Ep 196-208 | 2.99/5 | 4.49/5 |
| Ep 209-221 | 2.96/5 | 4.47/5 |
| Ep 222-234 | 2.70/5 | 4.16/5 |
| Ep 235-247 | 2.80/5 | 4.52/5 |
| Ep 248-260 | 2.73/5 | 4.07/5 |
| Ep 261-273 | 3.05/5 | 4.47/5 |
| Ep 274-286 | 3.12/5 | 4.76/5 |
| Ep 287-299 | 2.87/5 | 4.37/5 |
| Ep 300-304 | 2.51/5 | 3.69/5 |
| Overall | 2.92/5 | 4.94/5 |