| Progress | Difficulty | Peak |
|---|---|---|
| Vol 1 | 2.74/5 | 4.40/5 |
| Vol 2 | 2.77/5 | 4.44/5 |
| Vol 3 | 2.93/5 | 4.54/5 |
| Vol 4 | 3.83/5 | 4.59/5 |
| Vol 5 | 3.53/5 | 4.55/5 |
| Vol 6 | 2.96/5 | 4.48/5 |
| Vol 7 | 3.21/5 | 4.53/5 |
| Vol 8 | 3.56/5 | 4.55/5 |
| Vol 9 | 3.80/5 | 4.59/5 |
| Vol 10 | 3.14/5 | 4.52/5 |
| Vol 11 | 3.00/5 | 4.54/5 |
| Vol 12 | 3.37/5 | 4.52/5 |
| Vol 13 | 2.81/5 | 4.45/5 |
| Vol 14 | 4.04/5 | 4.62/5 |
| Vol 15 | 4.01/5 | 4.61/5 |
| Vol 16 | 2.95/5 | 4.51/5 |
| Vol 17 | 4.06/5 | 4.62/5 |
| Overall | 3.34/5 | 4.62/5 |