| Progress | Difficulty | Peak |
|---|---|---|
| Vol 1 | 4.20/5 | 4.59/5 |
| Vol 2 | 4.05/5 | 4.53/5 |
| Vol 3 | 4.12/5 | 4.56/5 |
| Vol 4 | 4.20/5 | 4.59/5 |
| Vol 5 | 4.24/5 | 4.61/5 |
| Vol 6 | 4.22/5 | 4.60/5 |
| Vol 7 | 4.26/5 | 4.61/5 |
| Vol 8 | 4.15/5 | 4.57/5 |
| Vol 9 | 4.24/5 | 4.61/5 |
| Vol 10 | 4.18/5 | 4.58/5 |
| Vol 11 | 4.26/5 | 4.61/5 |
| Vol 12 | 4.23/5 | 4.60/5 |
| Vol 13 | 4.17/5 | 4.58/5 |
| Overall | 4.19/5 | 4.61/5 |