| Progress | Difficulty | Peak |
|---|---|---|
| Vol 1 | 2.64/5 | 4.35/5 |
| Vol 2 | 2.98/5 | 4.35/5 |
| Vol 3 | 3.31/5 | 4.53/5 |
| Vol 4 | 3.00/5 | 4.49/5 |
| Vol 5 | 3.48/5 | 4.52/5 |
| Vol 6 | 3.00/5 | 4.47/5 |
| Vol 7 | 2.92/5 | 4.46/5 |
| Vol 8 | 3.00/5 | 4.48/5 |
| Vol 9 | 2.74/5 | 4.25/5 |
| Vol 10 | 3.18/5 | 4.47/5 |
| Vol 11 | 2.51/5 | 4.36/5 |
| Vol 12 | 2.85/5 | 4.40/5 |
| Vol 13 | 2.83/5 | 4.25/5 |
| Vol 14 | 2.74/5 | 4.40/5 |
| Vol 15 | 3.00/5 | 4.42/5 |
| Vol 16 | 3.12/5 | 4.51/5 |
| Vol 17 | 3.07/5 | 4.52/5 |
| Vol 18 | 2.89/5 | 4.47/5 |
| Vol 19 | 3.05/5 | 4.45/5 |
| Vol 20 | 2.86/5 | 4.48/5 |
| Overall | 2.96/5 | 4.53/5 |