| Progress | Difficulty | Peak |
|---|---|---|
| Vol 1 | 2.77/5 | 4.52/5 |
| Vol 2 | 2.89/5 | 4.55/5 |
| Vol 3 | 3.45/5 | 4.59/5 |
| Vol 4 | 3.34/5 | 4.67/5 |
| Vol 5 | 3.45/5 | 4.67/5 |
| Vol 6 | 3.51/5 | 4.71/5 |
| Vol 7 | 3.32/5 | 4.58/5 |
| Vol 8 | 2.87/5 | 4.44/5 |
| Vol 9 | 3.13/5 | 4.55/5 |
| Vol 10 | 3.05/5 | 4.51/5 |
| Vol 11 | 3.39/5 | 4.64/5 |
| Vol 12 | 3.19/5 | 4.64/5 |
| Vol 13 | 3.02/5 | 4.49/5 |
| Vol 14 | 3.03/5 | 4.40/5 |
| Vol 15 | 3.04/5 | 4.51/5 |
| Vol 16 | 4.25/5 | 4.81/5 |
| Vol 17 | 3.34/5 | 4.72/5 |
| Vol 18 | 4.01/5 | 4.77/5 |
| Vol 19 | 3.40/5 | 4.69/5 |
| Vol 20 | 4.02/5 | 4.77/5 |
| Vol 21 | 3.49/5 | 4.70/5 |
| Vol 22 | 3.35/5 | 4.68/5 |
| Overall | 3.32/5 | 4.81/5 |