| Progress | Difficulty | Peak |
|---|---|---|
| Ep 1-12 | 2.68/5 | 4.27/5 |
| Ep 13-24 | 2.67/5 | 4.56/5 |
| Ep 25-36 | 2.75/5 | 4.15/5 |
| Ep 37-48 | 2.70/5 | 4.24/5 |
| Ep 49-60 | 3.04/5 | 4.36/5 |
| Ep 61-72 | 2.89/5 | 4.45/5 |
| Ep 73-84 | 2.71/5 | 4.24/5 |
| Ep 85-96 | 2.58/5 | 4.52/5 |
| Ep 97-108 | 3.17/5 | 4.60/5 |
| Ep 109-120 | 2.78/5 | 4.47/5 |
| Ep 121-132 | 2.99/5 | 4.30/5 |
| Ep 133-144 | 2.88/5 | 4.29/5 |
| Ep 145-156 | 2.51/5 | 4.15/5 |
| Ep 157-168 | 2.82/5 | 4.42/5 |
| Ep 169-180 | 2.82/5 | 4.40/5 |
| Ep 181-192 | 2.79/5 | 4.24/5 |
| Ep 193-204 | 2.79/5 | 4.50/5 |
| Ep 205-216 | 2.64/5 | 4.34/5 |
| Ep 217-228 | 2.68/5 | 4.08/5 |
| Ep 229-240 | 2.63/5 | 4.29/5 |
| Ep 241-252 | 2.67/5 | 4.30/5 |
| Ep 253-264 | 2.56/5 | 4.07/5 |
| Ep 265-276 | 2.94/5 | 4.29/5 |
| Ep 277-288 | 2.66/5 | 4.32/5 |
| Ep 289-291 | 2.82/5 | 3.86/5 |
| Overall | 2.77/5 | 4.60/5 |