| Progress | Difficulty | Peak |
|---|---|---|
| Ep 1-6 | 1.38/5 | 3.68/5 |
| Ep 7-12 | 1.91/5 | 4.42/5 |
| Ep 13-18 | 1.79/5 | 4.40/5 |
| Ep 19-24 | 2.88/5 | 4.63/5 |
| Ep 25-30 | 2.66/5 | 4.37/5 |
| Ep 31-36 | 2.66/5 | 4.57/5 |
| Ep 37-42 | 2.34/5 | 4.23/5 |
| Ep 43-48 | 2.25/5 | 4.37/5 |
| Ep 49-54 | 2.52/5 | 4.19/5 |
| Ep 55-60 | 2.56/5 | 4.35/5 |
| Ep 61-66 | 2.55/5 | 4.63/5 |
| Ep 67-72 | 2.98/5 | 4.84/5 |
| Ep 73-78 | 2.88/5 | 4.72/5 |
| Ep 79-84 | 2.48/5 | 4.79/5 |
| Ep 85-90 | 2.26/5 | 4.59/5 |
| Ep 91-96 | 2.25/5 | 4.76/5 |
| Ep 97-102 | 2.44/5 | 4.51/5 |
| Ep 103-108 | 2.61/5 | 4.64/5 |
| Ep 109-114 | 2.85/5 | 4.68/5 |
| Ep 115-120 | 2.41/5 | 4.43/5 |
| Ep 121-126 | 2.65/5 | 4.34/5 |
| Ep 127-131 | 2.47/5 | 4.11/5 |
| Overall | 2.44/5 | 4.84/5 |