| Progress | Difficulty | Peak |
|---|---|---|
| Ep 1-6 | 2.82/5 | 4.30/5 |
| Ep 7-12 | 2.86/5 | 4.20/5 |
| Ep 13-18 | 2.84/5 | 4.29/5 |
| Ep 19-24 | 2.74/5 | 4.32/5 |
| Ep 25-30 | 3.04/5 | 4.58/5 |
| Ep 31-36 | 3.22/5 | 4.53/5 |
| Ep 37-42 | 3.20/5 | 4.44/5 |
| Ep 43-48 | 2.93/5 | 4.38/5 |
| Ep 49-54 | 3.07/5 | 4.50/5 |
| Ep 55-60 | 3.11/5 | 4.52/5 |
| Ep 61-66 | 3.05/5 | 4.47/5 |
| Ep 67-72 | 2.93/5 | 4.29/5 |
| Ep 73-78 | 3.04/5 | 4.42/5 |
| Ep 79-84 | 3.00/5 | 4.38/5 |
| Ep 85-90 | 2.98/5 | 4.43/5 |
| Ep 91-96 | 2.99/5 | 4.47/5 |
| Ep 97-102 | 3.00/5 | 4.47/5 |
| Ep 103-108 | 2.86/5 | 4.22/5 |
| Ep 109-114 | 3.22/5 | 4.68/5 |
| Ep 115-120 | 3.26/5 | 4.53/5 |
| Ep 121-126 | 3.31/5 | 4.57/5 |
| Ep 127-132 | 3.31/5 | 4.61/5 |
| Ep 133-138 | 2.95/5 | 4.22/5 |
| Ep 139-144 | 3.00/5 | 4.49/5 |
| Ep 145-149 | 3.32/5 | 4.47/5 |
| Overall | 3.04/5 | 4.68/5 |