| Progress | Difficulty | Peak |
|---|---|---|
| Vol 1 | 2.81/5 | 4.53/5 |
| Vol 2 | 2.61/5 | 4.43/5 |
| Vol 3 | 2.67/5 | 4.51/5 |
| Vol 4 | 2.79/5 | 4.53/5 |
| Vol 5 | 2.81/5 | 4.51/5 |
| Vol 6 | 2.63/5 | 4.22/5 |
| Vol 7 | 2.79/5 | 4.55/5 |
| Vol 8 | 2.75/5 | 4.48/5 |
| Vol 9 | 2.89/5 | 4.55/5 |
| Vol 10 | 2.87/5 | 4.56/5 |
| Vol 11 | 2.78/5 | 4.48/5 |
| Vol 12 | 2.79/5 | 4.51/5 |
| Vol 13 | 3.04/5 | 4.64/5 |
| Vol 14 | 2.83/5 | 4.46/5 |
| Overall | 2.79/5 | 4.64/5 |