| Progress | Difficulty | Peak |
|---|---|---|
| Ep 1-7 | 3.41/5 | 4.60/5 |
| Ep 8-14 | 3.09/5 | 4.45/5 |
| Ep 15-21 | 3.14/5 | 4.46/5 |
| Ep 22-28 | 3.36/5 | 4.52/5 |
| Ep 29-35 | 3.26/5 | 4.45/5 |
| Ep 36-42 | 3.22/5 | 4.48/5 |
| Ep 43-49 | 2.22/5 | 4.30/5 |
| Ep 50-56 | 3.01/5 | 4.61/5 |
| Ep 57-63 | 3.00/5 | 4.41/5 |
| Ep 64-70 | 3.21/5 | 4.54/5 |
| Ep 71-77 | 3.22/5 | 4.58/5 |
| Ep 78-84 | 2.99/5 | 4.45/5 |
| Ep 85-91 | 3.04/5 | 4.51/5 |
| Ep 92-98 | 2.99/5 | 4.61/5 |
| Ep 99-105 | 2.48/5 | 4.21/5 |
| Ep 106-112 | 2.84/5 | 4.35/5 |
| Ep 113-119 | 2.87/5 | 4.52/5 |
| Ep 120-126 | 2.76/5 | 4.41/5 |
| Ep 127-133 | 2.90/5 | 4.45/5 |
| Ep 134-140 | 2.89/5 | 4.34/5 |
| Ep 141-147 | 3.13/5 | 4.61/5 |
| Ep 148-154 | 3.26/5 | 4.56/5 |
| Ep 155-158 | 3.02/5 | 4.40/5 |
| Overall | 3.01/5 | 4.61/5 |