| Progress | Difficulty | Peak |
|---|---|---|
| Vol 1 | 1.85/5 | 3.48/5 |
| Vol 2 | 1.83/5 | 3.56/5 |
| Vol 3 | 1.82/5 | 3.23/5 |
| Vol 4 | 1.92/5 | 3.22/5 |
| Vol 5 | 2.17/5 | 3.61/5 |
| Vol 6 | 1.86/5 | 2.99/5 |
| Vol 7 | 1.88/5 | 3.12/5 |
| Vol 8 | 1.83/5 | 3.17/5 |
| Vol 9 | 1.89/5 | 3.09/5 |
| Vol 10 | 2.12/5 | 4.32/5 |
| Vol 11 | 2.11/5 | 4.52/5 |
| Vol 12 | 1.93/5 | 4.26/5 |
| Overall | 1.94/5 | 4.52/5 |