| Progress | Difficulty | Peak |
|---|---|---|
| Vol 1 | 3.60/5 | 4.51/5 |
| Vol 2 | 3.68/5 | 4.53/5 |
| Vol 3 | 3.61/5 | 4.53/5 |
| Vol 4 | 3.90/5 | 4.58/5 |
| Vol 5 | 4.05/5 | 4.62/5 |
| Vol 6 | 3.90/5 | 4.57/5 |
| Vol 7 | 3.56/5 | 4.47/5 |
| Vol 8 | 3.68/5 | 4.54/5 |
| Vol 9 | 3.28/5 | 4.36/5 |
| Vol 10 | 3.75/5 | 4.53/5 |
| Vol 11 | 3.77/5 | 4.56/5 |
| Vol 12 | 3.61/5 | 4.49/5 |
| Vol 13 | 4.06/5 | 4.62/5 |
| Overall | 3.73/5 | 4.62/5 |