| Progress | Difficulty | Peak |
|---|---|---|
| Ep 1-9 | 2.77/5 | 4.62/5 |
| Ep 10-18 | 2.74/5 | 4.64/5 |
| Ep 19-27 | 2.29/5 | 4.58/5 |
| Ep 28-36 | 2.61/5 | 4.57/5 |
| Ep 37-45 | 3.38/5 | 4.72/5 |
| Ep 46-54 | 2.49/5 | 4.60/5 |
| Ep 55-63 | 3.04/5 | 4.67/5 |
| Ep 64-72 | 2.15/5 | 4.57/5 |
| Ep 73-81 | 2.92/5 | 4.60/5 |
| Ep 82-90 | 3.44/5 | 4.63/5 |
| Ep 91-99 | 2.30/5 | 4.50/5 |
| Ep 100-108 | 2.34/5 | 4.55/5 |
| Ep 109-117 | 2.94/5 | 4.67/5 |
| Ep 118-126 | 1.93/5 | 4.35/5 |
| Ep 127-135 | 2.56/5 | 4.43/5 |
| Ep 136-144 | 2.75/5 | 4.60/5 |
| Ep 145-153 | 2.20/5 | 4.40/5 |
| Ep 154-162 | 2.28/5 | 4.57/5 |
| Ep 163-171 | 2.62/5 | 4.53/5 |
| Ep 172-180 | 2.57/5 | 4.53/5 |
| Ep 181-189 | 2.65/5 | 4.50/5 |
| Ep 190-198 | 2.35/5 | 4.78/5 |
| Ep 199-207 | 2.62/5 | 4.60/5 |
| Overall | 2.61/5 | 4.78/5 |