| Progress | Difficulty | Peak |
|---|---|---|
| Vol 1 | 1.83/5 | 3.32/5 |
| Vol 2 | 1.77/5 | 2.95/5 |
| Vol 3 | 1.95/5 | 4.00/5 |
| Vol 4 | 1.99/5 | 4.45/5 |
| Vol 5 | 1.90/5 | 3.43/5 |
| Vol 6 | 1.79/5 | 3.11/5 |
| Vol 7 | 1.93/5 | 4.43/5 |
| Vol 8 | 1.97/5 | 4.60/5 |
| Vol 9 | 2.05/5 | 3.58/5 |
| Vol 10 | 2.03/5 | 3.42/5 |
| Vol 11 | 2.09/5 | 4.66/5 |
| Vol 12 | 2.14/5 | 4.46/5 |
| Vol 13 | 2.41/5 | 4.66/5 |
| Vol 14 | 2.20/5 | 4.23/5 |
| Vol 15 | 2.16/5 | 4.45/5 |
| Vol 16 | 1.86/5 | 3.23/5 |
| Overall | 2.05/5 | 4.66/5 |