| Progress | Difficulty | Peak |
|---|---|---|
| Ep 1-6 | 3.01/5 | 4.20/5 |
| Ep 7-12 | 2.95/5 | 4.25/5 |
| Ep 13-18 | 2.66/5 | 4.16/5 |
| Ep 19-24 | 2.89/5 | 4.45/5 |
| Ep 25-30 | 3.03/5 | 4.36/5 |
| Ep 31-36 | 2.98/5 | 4.12/5 |
| Ep 37-42 | 2.80/5 | 4.07/5 |
| Ep 43-48 | 3.10/5 | 4.52/5 |
| Ep 49-54 | 2.94/5 | 4.32/5 |
| Ep 55-60 | 2.93/5 | 3.98/5 |
| Ep 61-66 | 2.92/5 | 4.18/5 |
| Ep 67-72 | 3.02/5 | 4.18/5 |
| Ep 73-78 | 2.93/5 | 4.24/5 |
| Ep 79-84 | 2.85/5 | 3.92/5 |
| Ep 85-90 | 2.80/5 | 4.36/5 |
| Ep 91-96 | 2.91/5 | 4.36/5 |
| Ep 97-102 | 3.09/5 | 4.61/5 |
| Ep 103-108 | 2.90/5 | 4.18/5 |
| Ep 109-114 | 2.92/5 | 4.28/5 |
| Ep 115-120 | 2.96/5 | 4.20/5 |
| Ep 121-126 | 2.85/5 | 4.14/5 |
| Ep 127-132 | 2.90/5 | 4.34/5 |
| Ep 133-138 | 2.75/5 | 4.37/5 |
| Ep 139-140 | 3.02/5 | 4.13/5 |
| Overall | 2.91/5 | 4.61/5 |