| Progress | Difficulty | Peak |
|---|---|---|
| Vol 1 | 2.60/5 | 4.26/5 |
| Vol 2 | 2.60/5 | 4.39/5 |
| Vol 3 | 3.33/5 | 4.49/5 |
| Vol 4 | 2.95/5 | 4.46/5 |
| Vol 5 | 3.45/5 | 4.54/5 |
| Vol 6 | 3.69/5 | 4.64/5 |
| Vol 7 | 3.92/5 | 4.66/5 |
| Vol 8 | 3.95/5 | 4.65/5 |
| Vol 9 | 3.72/5 | 4.62/5 |
| Vol 10 | 3.01/5 | 4.54/5 |
| Vol 11 | 3.40/5 | 4.58/5 |
| Vol 12 | 3.74/5 | 4.61/5 |
| Vol 13 | 3.57/5 | 4.56/5 |
| Vol 14 | 3.97/5 | 4.66/5 |
| Vol 15 | 4.07/5 | 4.67/5 |
| Vol 16 | 4.15/5 | 4.70/5 |
| Vol 17 | 4.11/5 | 4.69/5 |
| Overall | 3.49/5 | 4.70/5 |