| Progress | Difficulty | Peak |
|---|---|---|
| Vol 1 | 2.42/5 | 4.49/5 |
| Vol 2 | 2.88/5 | 4.55/5 |
| Vol 3 | 4.11/5 | 4.64/5 |
| Vol 4 | 2.96/5 | 4.58/5 |
| Vol 5 | 3.62/5 | 4.58/5 |
| Vol 6 | 2.88/5 | 4.55/5 |
| Vol 7 | 2.91/5 | 4.51/5 |
| Vol 8 | 2.78/5 | 4.52/5 |
| Vol 9 | 2.94/5 | 4.56/5 |
| Vol 10 | 2.61/5 | 4.49/5 |
| Vol 11 | 4.03/5 | 4.61/5 |
| Vol 12 | 2.83/5 | 4.53/5 |
| Vol 13 | 2.60/5 | 4.44/5 |
| Vol 14 | 3.45/5 | 4.56/5 |
| Vol 15 | 3.06/5 | 4.55/5 |
| Vol 16 | 3.25/5 | 4.58/5 |
| Vol 17 | 3.30/5 | 4.56/5 |
| Vol 18 | 2.93/5 | 4.53/5 |
| Vol 19 | 2.61/5 | 4.50/5 |
| Vol 20 | 3.00/5 | 4.55/5 |
| Vol 21 | 4.05/5 | 4.62/5 |
| Vol 22 | 4.10/5 | 4.64/5 |
| Vol 23 | 3.04/5 | 4.52/5 |
| Overall | 3.15/5 | 4.64/5 |