| Progress | Difficulty | Peak |
|---|---|---|
| Ep 1-6 | 3.30/5 | 4.51/5 |
| Ep 7-12 | 3.51/5 | 4.40/5 |
| Ep 13-18 | 3.59/5 | 4.90/5 |
| Ep 19-24 | 3.36/5 | 4.63/5 |
| Ep 25-30 | 3.39/5 | 4.47/5 |
| Ep 31-36 | 3.39/5 | 4.43/5 |
| Ep 37-42 | 3.36/5 | 4.48/5 |
| Ep 43-48 | 3.38/5 | 4.38/5 |
| Ep 49-54 | 3.29/5 | 4.56/5 |
| Ep 55-60 | 3.40/5 | 4.39/5 |
| Ep 61-66 | 3.33/5 | 4.34/5 |
| Ep 67-72 | 3.66/5 | 4.26/5 |
| Ep 73-78 | 3.50/5 | 4.34/5 |
| Ep 79-84 | 3.21/5 | 4.18/5 |
| Ep 85-90 | 3.53/5 | 4.40/5 |
| Ep 91-96 | 3.55/5 | 4.27/5 |
| Ep 97-102 | 3.38/5 | 4.24/5 |
| Ep 103-108 | 3.52/5 | 4.28/5 |
| Ep 109-114 | 3.10/5 | 4.32/5 |
| Ep 115-120 | 3.36/5 | 4.29/5 |
| Ep 121-126 | 3.02/5 | 4.30/5 |
| Ep 127-132 | 3.65/5 | 4.34/5 |
| Ep 133-138 | 3.67/5 | 4.87/5 |
| Ep 139-144 | 3.67/5 | 4.51/5 |
| Ep 145-148 | 3.35/5 | 4.19/5 |
| Overall | 3.42/5 | 4.90/5 |