| Progress | Difficulty | Peak |
|---|---|---|
| Ep 1-6 | 3.28/5 | 4.59/5 |
| Ep 7-12 | 3.35/5 | 4.79/5 |
| Ep 13-18 | 3.22/5 | 4.76/5 |
| Ep 19-24 | 3.13/5 | 4.57/5 |
| Ep 25-30 | 3.35/5 | 4.79/5 |
| Ep 31-36 | 3.39/5 | 4.75/5 |
| Ep 37-42 | 3.55/5 | 4.80/5 |
| Ep 43-48 | 3.16/5 | 4.59/5 |
| Ep 49-54 | 3.23/5 | 4.50/5 |
| Ep 55-60 | 3.31/5 | 4.75/5 |
| Ep 61-66 | 3.56/5 | 4.85/5 |
| Ep 67-72 | 3.36/5 | 4.83/5 |
| Ep 73-78 | 3.40/5 | 4.63/5 |
| Ep 79-84 | 3.32/5 | 4.64/5 |
| Ep 85-90 | 3.58/5 | 4.80/5 |
| Ep 91-96 | 3.71/5 | 4.85/5 |
| Ep 97-102 | 3.63/5 | 4.92/5 |
| Ep 103-108 | 3.40/5 | 4.77/5 |
| Ep 109-114 | 3.37/5 | 4.86/5 |
| Ep 115-120 | 3.39/5 | 4.85/5 |
| Ep 121-126 | 3.27/5 | 4.94/5 |
| Ep 127-132 | 3.32/5 | 4.86/5 |
| Ep 133-138 | 3.02/5 | 4.73/5 |
| Ep 139-144 | 3.30/5 | 4.53/5 |
| Ep 145-147 | 3.04/5 | 4.32/5 |
| Overall | 3.35/5 | 4.94/5 |