| Progress | Difficulty | Peak |
|---|---|---|
| Vol 1 | 3.12/5 | 4.08/5 |
| Vol 2 | 3.55/5 | 4.43/5 |
| Vol 3 | 3.26/5 | 4.24/5 |
| Vol 4 | 3.10/5 | 4.02/5 |
| Vol 5 | 3.20/5 | 4.11/5 |
| Vol 6 | 2.90/5 | 4.14/5 |
| Vol 7 | 3.17/5 | 4.13/5 |
| Vol 8 | 3.40/5 | 4.39/5 |
| Vol 9 | 3.10/5 | 4.01/5 |
| Vol 10 | 3.00/5 | 4.23/5 |
| Vol 11 | 3.21/5 | 4.06/5 |
| Vol 12 | 3.24/5 | 4.31/5 |
| Vol 13 | 3.29/5 | 4.36/5 |
| Vol 14 | 3.45/5 | 4.39/5 |
| Vol 15 | 3.31/5 | 4.15/5 |
| Vol 16 | 3.39/5 | 4.36/5 |
| Vol 17 | 3.23/5 | 4.15/5 |
| Overall | 3.23/5 | 4.43/5 |