| Progress | Difficulty | Peak |
|---|---|---|
| Vol 1 | 2.69/5 | 4.19/5 |
| Vol 2 | 2.72/5 | 4.12/5 |
| Vol 3 | 2.72/5 | 3.95/5 |
| Vol 4 | 2.76/5 | 4.28/5 |
| Vol 5 | 2.77/5 | 4.30/5 |
| Vol 6 | 2.98/5 | 4.23/5 |
| Vol 7 | 3.11/5 | 4.36/5 |
| Vol 8 | 2.96/5 | 4.17/5 |
| Vol 9 | 2.88/5 | 4.16/5 |
| Vol 10 | 2.86/5 | 4.28/5 |
| Vol 11 | 3.09/5 | 4.27/5 |
| Vol 12 | 2.94/5 | 4.25/5 |
| Vol 13 | 3.09/5 | 4.27/5 |
| Vol 14 | 2.94/5 | 4.19/5 |
| Vol 15 | 2.77/5 | 4.17/5 |
| Vol 16 | 2.96/5 | 4.23/5 |
| Overall | 2.88/5 | 4.36/5 |