| Progress | Difficulty | Peak |
|---|---|---|
| Vol 1 | 2.18/5 | 4.50/5 |
| Vol 2 | 1.60/5 | 2.82/5 |
| Vol 3 | 1.84/5 | 4.32/5 |
| Vol 4 | 1.87/5 | 4.31/5 |
| Vol 5 | 2.04/5 | 4.65/5 |
| Vol 6 | 2.92/5 | 4.65/5 |
| Vol 7 | 4.14/5 | 4.73/5 |
| Vol 8 | 2.00/5 | 4.53/5 |
| Vol 9 | 1.98/5 | 4.61/5 |
| Vol 10 | 1.85/5 | 4.38/5 |
| Vol 11 | 3.29/5 | 4.69/5 |
| Vol 12 | 2.56/5 | 4.62/5 |
| Vol 13 | 2.27/5 | 4.52/5 |
| Vol 14 | 2.74/5 | 4.51/5 |
| Vol 15 | 2.67/5 | 4.49/5 |
| Vol 16 | 3.12/5 | 4.68/5 |
| Overall | 2.46/5 | 4.73/5 |