| Progress | Difficulty | Peak |
|---|---|---|
| Vol 1 | 1.80/5 | 3.13/5 |
| Vol 2 | 1.95/5 | 4.09/5 |
| Vol 3 | 1.74/5 | 3.17/5 |
| Vol 4 | 2.17/5 | 4.63/5 |
| Vol 5 | 2.10/5 | 4.25/5 |
| Vol 6 | 2.46/5 | 4.41/5 |
| Vol 7 | 2.06/5 | 4.45/5 |
| Vol 8 | 1.93/5 | 3.79/5 |
| Vol 9 | 2.06/5 | 3.28/5 |
| Vol 10 | 1.95/5 | 3.26/5 |
| Vol 11 | 2.60/5 | 4.35/5 |
| Overall | 2.07/5 | 4.63/5 |