| Progress | Difficulty | Peak |
|---|---|---|
| Ep 1-7 | 1.95/5 | 4.18/5 |
| Ep 8-14 | 2.28/5 | 4.35/5 |
| Ep 15-21 | 2.90/5 | 4.55/5 |
| Ep 22-28 | 2.96/5 | 4.49/5 |
| Ep 29-35 | 2.76/5 | 4.29/5 |
| Ep 36-42 | 2.70/5 | 4.47/5 |
| Ep 43-49 | 2.82/5 | 4.45/5 |
| Ep 50-56 | 2.82/5 | 4.51/5 |
| Ep 57-63 | 2.40/5 | 4.45/5 |
| Ep 64-70 | 2.63/5 | 4.35/5 |
| Ep 71-77 | 2.76/5 | 4.46/5 |
| Ep 78-84 | 2.56/5 | 4.33/5 |
| Ep 85-91 | 2.79/5 | 4.35/5 |
| Ep 92-98 | 2.80/5 | 4.45/5 |
| Ep 99-105 | 2.67/5 | 4.43/5 |
| Ep 106-112 | 2.70/5 | 4.26/5 |
| Ep 113-119 | 2.88/5 | 4.40/5 |
| Ep 120-126 | 3.19/5 | 4.60/5 |
| Ep 127-133 | 3.49/5 | 4.55/5 |
| Ep 134-140 | 2.69/5 | 4.45/5 |
| Ep 141-147 | 2.92/5 | 4.38/5 |
| Ep 148-154 | 3.09/5 | 4.47/5 |
| Ep 155-159 | 3.16/5 | 4.43/5 |
| Overall | 2.77/5 | 4.60/5 |