| Progress | Difficulty | Peak |
|---|---|---|
| Ep 1-6 | 2.76/5 | 4.03/5 |
| Ep 7-12 | 3.06/5 | 4.49/5 |
| Ep 13-18 | 3.35/5 | 4.62/5 |
| Ep 19-24 | 3.63/5 | 4.63/5 |
| Ep 25-30 | 3.24/5 | 4.45/5 |
| Ep 31-36 | 3.33/5 | 4.64/5 |
| Ep 37-42 | 3.76/5 | 4.69/5 |
| Ep 43-48 | 3.30/5 | 4.66/5 |
| Ep 49-54 | 3.18/5 | 4.53/5 |
| Ep 55-60 | 3.31/5 | 4.54/5 |
| Ep 61-66 | 2.91/5 | 4.20/5 |
| Ep 67-72 | 3.15/5 | 4.33/5 |
| Ep 73-78 | 2.97/5 | 4.20/5 |
| Ep 79-84 | 3.18/5 | 4.30/5 |
| Ep 85-90 | 2.84/5 | 4.04/5 |
| Ep 91-96 | 3.06/5 | 4.32/5 |
| Ep 97-102 | 3.16/5 | 4.25/5 |
| Ep 103-108 | 3.08/5 | 4.44/5 |
| Ep 109-114 | 2.83/5 | 3.85/5 |
| Ep 115-120 | 2.83/5 | 4.11/5 |
| Ep 121-126 | 3.06/5 | 4.10/5 |
| Ep 127-132 | 3.34/5 | 4.45/5 |
| Ep 133-138 | 3.11/5 | 4.49/5 |
| Ep 139-144 | 3.30/5 | 4.68/5 |
| Ep 145-148 | 3.30/5 | 4.07/5 |
| Overall | 3.16/5 | 4.69/5 |