| Progress | Difficulty | Peak |
|---|---|---|
| Ep 1-6 | 1.68/5 | 4.20/5 |
| Ep 7-12 | 1.80/5 | 4.45/5 |
| Ep 13-18 | 1.53/5 | 4.39/5 |
| Ep 19-24 | 1.68/5 | 4.22/5 |
| Ep 25-30 | 1.56/5 | 4.34/5 |
| Ep 31-36 | 1.69/5 | 4.44/5 |
| Ep 37-42 | 1.73/5 | 4.51/5 |
| Ep 43-48 | 1.65/5 | 4.46/5 |
| Ep 49-54 | 2.58/5 | 4.63/5 |
| Ep 55-60 | 1.57/5 | 4.37/5 |
| Ep 61-66 | 1.89/5 | 4.39/5 |
| Ep 67-72 | 1.66/5 | 4.41/5 |
| Ep 73-78 | 1.84/5 | 4.51/5 |
| Ep 79-84 | 1.58/5 | 4.43/5 |
| Ep 85-90 | 2.46/5 | 4.59/5 |
| Ep 91-96 | 1.82/5 | 4.46/5 |
| Ep 97-102 | 1.88/5 | 4.52/5 |
| Ep 103-108 | 2.17/5 | 4.53/5 |
| Ep 109-114 | 1.68/5 | 4.47/5 |
| Ep 115-120 | 2.24/5 | 4.67/5 |
| Ep 121-126 | 1.80/5 | 4.51/5 |
| Ep 127-132 | 2.02/5 | 4.45/5 |
| Ep 133-138 | 2.04/5 | 4.49/5 |
| Ep 139-144 | 1.88/5 | 4.48/5 |
| Ep 145-146 | 1.70/5 | 4.47/5 |
| Overall | 1.85/5 | 4.67/5 |