| Progress | Difficulty | Peak |
|---|---|---|
| Vol 1 | 2.96/5 | 4.51/5 |
| Vol 2 | 2.85/5 | 4.53/5 |
| Vol 3 | 2.89/5 | 4.55/5 |
| Vol 4 | 2.85/5 | 4.50/5 |
| Vol 5 | 3.04/5 | 4.54/5 |
| Vol 6 | 2.90/5 | 4.50/5 |
| Vol 7 | 3.11/5 | 4.58/5 |
| Vol 8 | 3.07/5 | 4.47/5 |
| Vol 9 | 3.04/5 | 4.50/5 |
| Vol 10 | 3.03/5 | 4.52/5 |
| Vol 11 | 2.98/5 | 4.54/5 |
| Vol 12 | 3.22/5 | 4.60/5 |
| Vol 13 | 3.30/5 | 4.55/5 |
| Vol 14 | 2.88/5 | 4.36/5 |
| Vol 15 | 3.11/5 | 4.46/5 |
| Vol 16 | 3.35/5 | 4.60/5 |
| Overall | 3.04/5 | 4.60/5 |