| Progress | Difficulty | Peak |
|---|---|---|
| Vol 1 | 3.58/5 | 4.49/5 |
| Vol 2 | 3.66/5 | 4.51/5 |
| Vol 3 | 3.59/5 | 4.51/5 |
| Vol 4 | 3.88/5 | 4.56/5 |
| Vol 5 | 4.03/5 | 4.60/5 |
| Vol 6 | 3.88/5 | 4.55/5 |
| Vol 7 | 3.54/5 | 4.45/5 |
| Vol 8 | 3.66/5 | 4.52/5 |
| Vol 9 | 3.26/5 | 4.34/5 |
| Vol 10 | 3.73/5 | 4.51/5 |
| Vol 11 | 3.75/5 | 4.54/5 |
| Vol 12 | 3.59/5 | 4.47/5 |
| Vol 13 | 4.04/5 | 4.60/5 |
| Overall | 3.69/5 | 4.60/5 |