| Progress | Difficulty | Peak |
|---|---|---|
| Vol 1 | 2.90/5 | 4.10/5 |
| Vol 2 | 3.01/5 | 4.32/5 |
| Vol 3 | 2.82/5 | 4.07/5 |
| Vol 4 | 2.58/5 | 3.85/5 |
| Vol 5 | 3.07/5 | 4.22/5 |
| Vol 6 | 3.12/5 | 4.34/5 |
| Vol 7 | 2.92/5 | 4.16/5 |
| Vol 8 | 3.33/5 | 4.35/5 |
| Vol 9 | 2.93/5 | 4.15/5 |
| Vol 10 | 3.01/5 | 4.30/5 |
| Vol 11 | 2.81/5 | 4.01/5 |
| Vol 12 | 3.19/5 | 4.37/5 |
| Vol 13 | 3.05/5 | 4.17/5 |
| Vol 14 | 3.05/5 | 4.14/5 |
| Vol 15 | 2.70/5 | 4.05/5 |
| Vol 16 | 3.28/5 | 4.51/5 |
| Vol 17 | 3.04/5 | 4.30/5 |
| Vol 18 | 2.98/5 | 4.27/5 |
| Vol 19 | 2.90/5 | 4.32/5 |
| Overall | 2.97/5 | 4.20/5 |