| Progress | Difficulty | Peak |
|---|---|---|
| Ep 1-6 | 3.11/5 | 4.03/5 |
| Ep 7-12 | 3.09/5 | 4.10/5 |
| Ep 13-18 | 3.19/5 | 4.05/5 |
| Ep 19-24 | 3.27/5 | 4.08/5 |
| Ep 25-30 | 3.26/5 | 4.02/5 |
| Ep 31-36 | 3.31/5 | 4.02/5 |
| Ep 37-42 | 3.25/5 | 4.42/5 |
| Ep 43-48 | 3.04/5 | 4.10/5 |
| Ep 49-54 | 3.11/5 | 4.06/5 |
| Ep 55-60 | 3.01/5 | 4.13/5 |
| Ep 61-66 | 3.04/5 | 4.38/5 |
| Ep 67-72 | 3.00/5 | 4.29/5 |
| Ep 73-78 | 3.02/5 | 4.27/5 |
| Ep 79-84 | 3.04/5 | 4.18/5 |
| Ep 85-90 | 3.16/5 | 4.14/5 |
| Ep 91-96 | 3.02/5 | 4.33/5 |
| Ep 97-102 | 2.85/5 | 4.41/5 |
| Ep 103-108 | 3.04/5 | 4.10/5 |
| Ep 109-114 | 2.98/5 | 4.14/5 |
| Ep 115-120 | 2.85/5 | 4.19/5 |
| Ep 121-126 | 2.87/5 | 4.10/5 |
| Ep 127-132 | 3.04/5 | 4.19/5 |
| Ep 133-138 | 3.05/5 | 4.13/5 |
| Ep 139-144 | 3.00/5 | 4.02/5 |
| Overall | 3.06/5 | 4.42/5 |