| Progress | Difficulty | Peak |
|---|---|---|
| Ep 1-6 | 3.09/5 | 4.51/5 |
| Ep 7-12 | 3.22/5 | 4.45/5 |
| Ep 13-18 | 3.01/5 | 4.33/5 |
| Ep 19-24 | 2.98/5 | 4.23/5 |
| Ep 25-30 | 2.74/5 | 4.22/5 |
| Ep 31-36 | 3.12/5 | 4.40/5 |
| Ep 37-42 | 3.01/5 | 4.42/5 |
| Ep 43-48 | 2.91/5 | 4.33/5 |
| Ep 49-54 | 2.98/5 | 4.31/5 |
| Ep 55-60 | 2.92/5 | 4.31/5 |
| Ep 61-66 | 3.04/5 | 4.32/5 |
| Ep 67-72 | 2.94/5 | 4.10/5 |
| Ep 73-78 | 3.11/5 | 4.42/5 |
| Ep 79-84 | 2.88/5 | 4.34/5 |
| Ep 85-90 | 2.92/5 | 4.18/5 |
| Ep 91-96 | 2.97/5 | 4.28/5 |
| Ep 97-102 | 2.96/5 | 4.27/5 |
| Ep 103-108 | 2.86/5 | 4.24/5 |
| Ep 109-114 | 2.94/5 | 4.50/5 |
| Ep 115-120 | 2.76/5 | 4.11/5 |
| Ep 121-126 | 2.97/5 | 4.44/5 |
| Ep 127-132 | 2.76/5 | 4.29/5 |
| Ep 133-138 | 2.94/5 | 4.46/5 |
| Ep 139-144 | 2.89/5 | 4.23/5 |
| Ep 145-148 | 3.01/5 | 4.14/5 |
| Overall | 2.96/5 | 4.51/5 |