| Progress | Difficulty | Peak |
|---|---|---|
| Ep 1-12 | 2.81/5 | 4.36/5 |
| Ep 13-24 | 2.85/5 | 4.65/5 |
| Ep 25-36 | 2.84/5 | 4.24/5 |
| Ep 37-48 | 2.80/5 | 4.33/5 |
| Ep 49-60 | 3.16/5 | 4.45/5 |
| Ep 61-72 | 2.98/5 | 4.54/5 |
| Ep 73-84 | 2.83/5 | 4.33/5 |
| Ep 85-96 | 2.65/5 | 4.61/5 |
| Ep 97-108 | 3.22/5 | 4.69/5 |
| Ep 109-120 | 2.86/5 | 4.56/5 |
| Ep 121-132 | 3.09/5 | 4.39/5 |
| Ep 133-144 | 2.99/5 | 4.38/5 |
| Ep 145-156 | 2.62/5 | 4.24/5 |
| Ep 157-168 | 2.89/5 | 4.51/5 |
| Ep 169-180 | 2.95/5 | 4.49/5 |
| Ep 181-192 | 2.90/5 | 4.33/5 |
| Ep 193-204 | 2.91/5 | 4.59/5 |
| Ep 205-216 | 2.72/5 | 4.43/5 |
| Ep 217-228 | 2.79/5 | 4.17/5 |
| Ep 229-240 | 2.72/5 | 4.38/5 |
| Ep 241-252 | 2.77/5 | 4.39/5 |
| Ep 253-264 | 2.68/5 | 4.16/5 |
| Ep 265-276 | 3.04/5 | 4.38/5 |
| Ep 277-288 | 2.75/5 | 4.41/5 |
| Ep 289-291 | 2.94/5 | 3.95/5 |
| Overall | 2.87/5 | 4.69/5 |