| Progress | Difficulty | Peak |
|---|---|---|
| Ep 1-7 | 1.41/5 | 3.69/5 |
| Ep 8-14 | 1.44/5 | 3.89/5 |
| Ep 15-21 | 1.37/5 | 3.84/5 |
| Ep 22-28 | 1.60/5 | 4.51/5 |
| Ep 29-35 | 1.46/5 | 3.94/5 |
| Ep 36-42 | 1.65/5 | 4.04/5 |
| Ep 43-49 | 1.66/5 | 4.34/5 |
| Ep 50-56 | 1.25/5 | 3.57/5 |
| Ep 57-63 | 1.46/5 | 3.92/5 |
| Ep 64-70 | 1.35/5 | 2.86/5 |
| Ep 71-77 | 1.37/5 | 3.84/5 |
| Ep 78-84 | 1.41/5 | 3.94/5 |
| Ep 85-91 | 1.62/5 | 4.60/5 |
| Ep 92-98 | 1.31/5 | 4.01/5 |
| Ep 99-105 | 1.46/5 | 3.89/5 |
| Ep 106-112 | 1.38/5 | 3.98/5 |
| Ep 113-119 | 1.33/5 | 3.22/5 |
| Ep 120-126 | 1.43/5 | 3.93/5 |
| Ep 127-133 | 1.63/5 | 3.74/5 |
| Ep 134-140 | 1.33/5 | 3.46/5 |
| Ep 141-147 | 1.51/5 | 4.17/5 |
| Ep 148-153 | 1.47/5 | 3.86/5 |
| Overall | 1.45/5 | 4.60/5 |