| Progress | Difficulty | Peak |
|---|---|---|
| Vol 1 | 2.17/5 | 4.41/5 |
| Vol 2 | 1.90/5 | 2.96/5 |
| Vol 3 | 2.18/5 | 3.72/5 |
| Vol 4 | 2.14/5 | 4.02/5 |
| Vol 5 | 2.15/5 | 4.32/5 |
| Vol 6 | 2.26/5 | 4.51/5 |
| Vol 7 | 2.14/5 | 3.32/5 |
| Vol 8 | 2.18/5 | 3.99/5 |
| Vol 9 | 2.37/5 | 4.12/5 |
| Vol 10 | 2.32/5 | 3.77/5 |
| Vol 11 | 2.28/5 | 3.82/5 |
| Vol 12 | 2.10/5 | 4.41/5 |
| Vol 13 | 2.16/5 | 3.25/5 |
| Vol 14 | 2.18/5 | 4.32/5 |
| Vol 15 | 1.90/5 | 3.02/5 |
| Vol 16 | 2.25/5 | 4.46/5 |
| Vol 17 | 2.34/5 | 3.95/5 |
| Overall | 2.17/5 | 4.51/5 |