| Progress | Difficulty | Peak |
|---|---|---|
| Vol 1 | 3.62/5 | 4.57/5 |
| Vol 2 | 4.03/5 | 4.61/5 |
| Vol 3 | 4.09/5 | 4.63/5 |
| Vol 4 | 3.92/5 | 4.59/5 |
| Vol 5 | 3.56/5 | 4.55/5 |
| Vol 6 | 3.57/5 | 4.57/5 |
| Vol 7 | 4.03/5 | 4.61/5 |
| Vol 8 | 4.06/5 | 4.62/5 |
| Vol 9 | 3.55/5 | 4.54/5 |
| Vol 10 | 2.95/5 | 4.52/5 |
| Vol 11 | 3.63/5 | 4.54/5 |
| Overall | 3.73/5 | 4.63/5 |