| Progress | Difficulty | Peak |
|---|---|---|
| Vol 1 | 4.03/5 | 4.48/5 |
| Vol 2 | 4.05/5 | 4.50/5 |
| Vol 3 | 4.17/5 | 4.54/5 |
| Vol 4 | 4.02/5 | 4.48/5 |
| Vol 5 | 3.93/5 | 4.45/5 |
| Vol 6 | 4.10/5 | 4.51/5 |
| Vol 7 | 4.01/5 | 4.48/5 |
| Vol 8 | 3.98/5 | 4.47/5 |
| Vol 9 | 4.08/5 | 4.51/5 |
| Vol 10 | 3.94/5 | 4.45/5 |
| Vol 11 | 3.96/5 | 4.46/5 |
| Vol 12 | 4.06/5 | 4.50/5 |
| Vol 13 | 3.96/5 | 4.46/5 |
| Vol 14 | 3.93/5 | 4.44/5 |
| Vol 15 | 3.96/5 | 4.46/5 |
| Vol 16 | 3.96/5 | 4.46/5 |
| Overall | 4.00/5 | 4.54/5 |