| Progress | Difficulty | Peak |
|---|---|---|
| Vol 1 | 4.23/5 | 4.69/5 |
| Vol 2 | 4.18/5 | 4.67/5 |
| Vol 3 | 4.31/5 | 4.72/5 |
| Vol 4 | 4.35/5 | 4.74/5 |
| Vol 5 | 4.21/5 | 4.68/5 |
| Vol 6 | 4.29/5 | 4.71/5 |
| Vol 7 | 4.26/5 | 4.71/5 |
| Vol 8 | 4.18/5 | 4.67/5 |
| Vol 9 | 4.35/5 | 4.74/5 |
| Vol 10 | 4.25/5 | 4.70/5 |
| Vol 11 | 4.17/5 | 4.67/5 |
| Vol 12 | 4.18/5 | 4.67/5 |
| Vol 13 | 4.11/5 | 4.64/5 |
| Vol 14 | 4.28/5 | 4.71/5 |
| Vol 15 | 4.22/5 | 4.69/5 |
| Overall | 4.24/5 | 4.74/5 |