| Progress | Difficulty | Peak |
|---|---|---|
| Ep 1-13 | 2.76/5 | 4.23/5 |
| Ep 14-26 | 2.64/5 | 3.91/5 |
| Ep 27-39 | 2.44/5 | 4.19/5 |
| Ep 40-52 | 2.52/5 | 4.28/5 |
| Ep 53-65 | 2.75/5 | 4.23/5 |
| Ep 66-78 | 2.79/5 | 4.52/5 |
| Ep 79-91 | 2.76/5 | 4.30/5 |
| Ep 92-104 | 2.60/5 | 4.52/5 |
| Ep 105-117 | 3.14/5 | 4.64/5 |
| Ep 118-130 | 3.06/5 | 4.70/5 |
| Ep 131-143 | 2.80/5 | 4.50/5 |
| Ep 144-156 | 2.26/5 | 4.32/5 |
| Ep 157-169 | 2.87/5 | 4.51/5 |
| Ep 170-182 | 2.79/5 | 4.44/5 |
| Ep 183-195 | 2.70/5 | 4.40/5 |
| Ep 196-208 | 2.75/5 | 4.25/5 |
| Ep 209-221 | 2.72/5 | 4.23/5 |
| Ep 222-234 | 2.49/5 | 3.92/5 |
| Ep 235-247 | 2.57/5 | 4.28/5 |
| Ep 248-260 | 2.50/5 | 3.83/5 |
| Ep 261-273 | 2.81/5 | 4.23/5 |
| Ep 274-286 | 2.89/5 | 4.52/5 |
| Ep 287-299 | 2.65/5 | 4.13/5 |
| Ep 300-304 | 2.29/5 | 3.45/5 |
| Overall | 2.70/5 | 4.70/5 |