| Progress | Difficulty | Peak |
|---|---|---|
| Vol 1 | 2.69/5 | 4.45/5 |
| Vol 2 | 2.15/5 | 4.29/5 |
| Vol 3 | 2.27/5 | 4.29/5 |
| Vol 4 | 3.17/5 | 4.53/5 |
| Vol 5 | 2.58/5 | 4.17/5 |
| Vol 6 | 3.67/5 | 4.58/5 |
| Vol 7 | 4.11/5 | 4.64/5 |
| Vol 8 | 4.05/5 | 4.62/5 |
| Vol 9 | 2.00/5 | 4.47/5 |
| Vol 10 | 4.20/5 | 4.68/5 |
| Vol 11 | 4.12/5 | 4.65/5 |
| Vol 12 | 4.20/5 | 4.68/5 |
| Vol 13 | 4.16/5 | 4.66/5 |
| Overall | 3.19/5 | 4.68/5 |