| Progress | Difficulty | Peak |
|---|---|---|
| Vol 1 | 3.75/5 | 4.53/5 |
| Vol 2 | 3.72/5 | 4.53/5 |
| Vol 3 | 3.81/5 | 4.54/5 |
| Vol 4 | 3.99/5 | 4.60/5 |
| Vol 5 | 3.82/5 | 4.55/5 |
| Vol 6 | 3.94/5 | 4.58/5 |
| Vol 7 | 4.08/5 | 4.63/5 |
| Vol 8 | 4.11/5 | 4.64/5 |
| Vol 9 | 4.18/5 | 4.67/5 |
| Vol 10 | 4.12/5 | 4.65/5 |
| Vol 11 | 4.15/5 | 4.66/5 |
| Vol 12 | 4.08/5 | 4.63/5 |
| Vol 13 | 4.14/5 | 4.65/5 |
| Overall | 3.99/5 | 4.67/5 |