| Progress | Difficulty | Peak |
|---|---|---|
| Vol 1 | 3.26/5 | 4.50/5 |
| Vol 2 | 3.49/5 | 4.49/5 |
| Vol 3 | 2.70/5 | 4.48/5 |
| Vol 4 | 3.83/5 | 4.52/5 |
| Vol 5 | 4.02/5 | 4.56/5 |
| Vol 6 | 4.09/5 | 4.59/5 |
| Vol 7 | 3.93/5 | 4.53/5 |
| Vol 8 | 4.10/5 | 4.60/5 |
| Vol 9 | 3.49/5 | 4.51/5 |
| Vol 10 | 2.05/5 | 4.32/5 |
| Vol 11 | 4.01/5 | 4.56/5 |
| Vol 12 | 4.03/5 | 4.57/5 |
| Vol 13 | 4.04/5 | 4.57/5 |
| Vol 14 | 3.97/5 | 4.55/5 |
| Vol 15 | 4.12/5 | 4.61/5 |
| Vol 16 | 3.97/5 | 4.55/5 |
| Vol 17 | 4.15/5 | 4.62/5 |
| Vol 18 | 4.09/5 | 4.59/5 |
| Vol 19 | 4.12/5 | 4.61/5 |
| Vol 20 | 4.08/5 | 4.59/5 |
| Vol 21 | 4.11/5 | 4.60/5 |
| Overall | 3.78/5 | 4.62/5 |