| Progress | Difficulty | Peak |
|---|---|---|
| Vol 1 | 2.92/5 | 3.84/5 |
| Vol 2 | 2.88/5 | 3.98/5 |
| Vol 3 | 3.05/5 | 4.01/5 |
| Vol 4 | 2.82/5 | 3.90/5 |
| Vol 5 | 2.81/5 | 3.93/5 |
| Vol 6 | 2.98/5 | 4.10/5 |
| Vol 7 | 2.97/5 | 4.01/5 |
| Vol 8 | 2.75/5 | 3.80/5 |
| Vol 9 | 2.95/5 | 3.95/5 |
| Vol 10 | 2.83/5 | 4.01/5 |
| Vol 11 | 2.98/5 | 4.07/5 |
| Vol 12 | 3.42/5 | 4.34/5 |
| Vol 13 | 2.72/5 | 3.86/5 |
| Vol 14 | 3.25/5 | 4.25/5 |
| Vol 15 | 2.88/5 | 3.96/5 |
| Vol 16 | 3.22/5 | 4.01/5 |
| Vol 17 | 3.01/5 | 4.19/5 |
| Vol 18 | 3.02/5 | 4.28/5 |
| Vol 19 | 3.31/5 | 4.33/5 |
| Vol 20 | 3.34/5 | 4.39/5 |
| Vol 21 | 3.61/5 | 4.48/5 |
| Vol 22 | 2.90/5 | 4.09/5 |
| Vol 23 | 3.01/5 | 4.27/5 |
| Vol 24 | 3.26/5 | 4.24/5 |
| Vol 25 | 3.17/5 | 4.33/5 |
| Overall | 3.04/5 | 4.48/5 |