| Progress | Difficulty | Peak |
|---|---|---|
| Vol 1 | 2.88/5 | 4.32/5 |
| Vol 2 | 2.80/5 | 4.42/5 |
| Vol 3 | 2.54/5 | 4.23/5 |
| Vol 4 | 2.72/5 | 4.23/5 |
| Vol 5 | 2.85/5 | 4.40/5 |
| Vol 6 | 2.74/5 | 4.35/5 |
| Vol 7 | 2.72/5 | 4.48/5 |
| Vol 8 | 3.78/5 | 4.77/5 |
| Vol 9 | 3.14/5 | 4.74/5 |
| Vol 10 | 2.85/5 | 4.40/5 |
| Vol 11 | 3.13/5 | 4.52/5 |
| Overall | 2.90/5 | 4.77/5 |