| Progress | Difficulty | Peak |
|---|---|---|
| Vol 1 | 2.85/5 | 4.49/5 |
| Vol 2 | 2.81/5 | 4.43/5 |
| Vol 3 | 2.96/5 | 4.53/5 |
| Vol 4 | 4.03/5 | 4.61/5 |
| Vol 5 | 4.00/5 | 4.60/5 |
| Vol 6 | 3.14/5 | 4.46/5 |
| Vol 7 | 3.00/5 | 4.55/5 |
| Vol 8 | 3.64/5 | 4.58/5 |
| Vol 9 | 3.81/5 | 4.58/5 |
| Vol 10 | 3.36/5 | 4.55/5 |
| Vol 11 | 2.94/5 | 4.50/5 |
| Vol 12 | 3.38/5 | 4.52/5 |
| Vol 13 | 2.98/5 | 4.51/5 |
| Vol 14 | 3.75/5 | 4.58/5 |
| Vol 15 | 4.04/5 | 4.62/5 |
| Vol 16 | 2.83/5 | 4.46/5 |
| Vol 17 | 4.13/5 | 4.65/5 |
| Overall | 3.39/5 | 4.65/5 |