| Progress | Difficulty | Peak |
|---|---|---|
| Vol 1 | 3.23/5 | 4.28/5 |
| Vol 2 | 3.23/5 | 4.31/5 |
| Vol 3 | 3.39/5 | 4.39/5 |
| Vol 4 | 2.93/5 | 4.13/5 |
| Vol 5 | 3.31/5 | 4.18/5 |
| Vol 6 | 3.22/5 | 4.13/5 |
| Vol 7 | 3.28/5 | 4.24/5 |
| Vol 8 | 3.19/5 | 4.17/5 |
| Vol 9 | 3.17/5 | 4.27/5 |
| Vol 10 | 3.40/5 | 4.34/5 |
| Vol 11 | 3.11/5 | 4.18/5 |
| Vol 12 | 3.31/5 | 4.37/5 |
| Vol 13 | 3.28/5 | 4.38/5 |
| Overall | 3.23/5 | 4.39/5 |