| Progress | Difficulty | Peak |
|---|---|---|
| Vol 1 | 3.08/5 | 3.93/5 |
| Vol 2 | 3.07/5 | 3.86/5 |
| Vol 3 | 3.04/5 | 3.86/5 |
| Vol 4 | 3.17/5 | 3.97/5 |
| Vol 5 | 3.01/5 | 4.09/5 |
| Vol 6 | 3.13/5 | 3.93/5 |
| Vol 7 | 3.33/5 | 4.09/5 |
| Vol 8 | 3.16/5 | 4.11/5 |
| Vol 9 | 3.33/5 | 4.19/5 |
| Vol 10 | 3.33/5 | 4.15/5 |
| Vol 11 | 3.20/5 | 4.19/5 |
| Vol 12 | 3.27/5 | 4.10/5 |
| Vol 13 | 3.37/5 | 4.25/5 |
| Vol 14 | 3.33/5 | 4.01/5 |
| Vol 15 | 3.39/5 | 4.30/5 |
| Vol 16 | 3.43/5 | 4.30/5 |
| Vol 17 | 3.35/5 | 4.05/5 |
| Vol 18 | 3.56/5 | 4.36/5 |
| Vol 19 | 3.44/5 | 4.11/5 |
| Vol 20 | 3.36/5 | 4.24/5 |
| Vol 21 | 2.90/5 | 3.88/5 |
| Vol 22 | 3.00/5 | 3.86/5 |
| Overall | 3.25/5 | 4.36/5 |