| Progress | Difficulty | Peak |
|---|---|---|
| Ep 1-6 | 2.14/5 | 3.39/5 |
| Ep 7-12 | 2.28/5 | 3.44/5 |
| Ep 13-18 | 2.30/5 | 3.54/5 |
| Ep 19-24 | 2.57/5 | 4.00/5 |
| Ep 25-30 | 2.37/5 | 3.62/5 |
| Ep 31-36 | 2.16/5 | 3.47/5 |
| Ep 37-42 | 2.41/5 | 3.49/5 |
| Ep 43-48 | 2.24/5 | 3.52/5 |
| Ep 49-54 | 2.59/5 | 3.64/5 |
| Ep 55-60 | 2.24/5 | 3.40/5 |
| Ep 61-66 | 2.21/5 | 3.40/5 |
| Ep 67-72 | 2.44/5 | 3.49/5 |
| Ep 73-78 | 2.32/5 | 3.59/5 |
| Ep 79-84 | 2.50/5 | 3.60/5 |
| Ep 85-90 | 2.42/5 | 3.62/5 |
| Ep 91-96 | 2.52/5 | 3.66/5 |
| Ep 97-102 | 2.40/5 | 3.55/5 |
| Ep 103-108 | 2.42/5 | 3.65/5 |
| Ep 109-114 | 2.56/5 | 3.62/5 |
| Ep 115-120 | 2.64/5 | 3.65/5 |
| Ep 121-126 | 2.19/5 | 3.80/5 |
| Ep 127-132 | 2.51/5 | 3.57/5 |
| Ep 133-138 | 2.36/5 | 3.62/5 |
| Ep 139-144 | 2.48/5 | 3.52/5 |
| Ep 145 | 2.38/5 | 2.98/5 |
| Overall | 2.39/5 | 4.00/5 |